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+ Unknown Mining Altimeter
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+ CENCO 76890 Mercury Barometer
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+ Standard Thermometer
+ Taylor 5152(?) Thermometer
+ Taylor 17AA1 Thermometer
+ Tycos 5100 Thermometer
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+ Unknown Marine Thermometer
+ US Army ML-7 Thermometer
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+ Bendix Friez 566 Psychron
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+ Bendix Friez Hygrodial
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+ Fischer Model 111 Hygrometer
+ Fischer Model 118 Polymeter
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+ Bacharach 22-7056 Thermohygrometer
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+ Airguide Hygrometer 1950s
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+ Bendix Friez Wind Vane
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+ GMP ARI-49 Anemometer
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+ Novalynx 2511 Totalizing Anemometer
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+ Unknown US Army Anemometer
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+ Belfort 5-3850 Pyranograph
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+ Casella Campbell Stokes Temperate Sunshine Recorder
+ Casella Campbell Stokes Tropical Sunshine Recorder
+ Henry J Green Jordan Sunshine Recorder
+ R Fuess Black Bulb Thermometer
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+ Rain Gauges
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+ W S Jenks Rain Gauge
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+ Evaporation Gauges
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- Lambrecht 1521 Evaporation Recorder
- Weather Measure E801 Evaporimeter
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Casella Mk II M1768/44 Gold Visibility Meter
+ M-53a Visibility Meter
+ Fineman Nephoscope
+ Ottway Visibility Meter
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- Psychrometric Calculators
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+ Bendix Friez Psychrometric Calculator
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+ Hunter Associates Psychrometric Calculator
+ Met Office Humidity Slide Rule
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+ ML-323 Pressure Calculator
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- US Navy ML-455 Temperasture Scale
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+ FCW-16B Combined Wind Plotting Board
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+ The Sundicator
- Data Reporting Slide Rules
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+ M-455 Meteorological Conversion Scale
+ MXU-686 Meteorological Device
- Weather Forecasting Slide Rules
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+ George J Igel Weathercaster
+ Guest Weathercaster
+ Irving P Krick Weather Guide
+ Negretti & Zambra Brass Forecast Slide Rule
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+ Georg Rosenmuller
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+ Max Kohl AG
+ Moller Oemichen und Co
+ Paul Wegener
+ R Burger
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+ Hermann und Pfister-Haag
+ Thermindex
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+ Cambridge Scientific Company
+ Casella
+ G Dollond
+ George Adams
+ Heath and Co - Hezzanith
+ J H Steward
+ J Hicks
+ John Patrick
+ Lilley & Gillie
+ Negretti and Zambra
+ O Comitti
+ Short and Mason
+ Shortland Smiths
+ T Cooke and Sons
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+ Abbeon
+ A E Moeller
+ Airguide
+ A J Dodge/Charles Wilder
+ American Paulin
+ American Schaeffer and Budenberg
+ American Thermometer Co
+ B Kahn
+ Bacharach
+ Brooklyn Thermometer Co
+ Central Scientific Co (CENCO)
+ Chelsea Clock Company
+ Compass
+ Dietzgen
+ Eimer & Amend
+ Friez Bendix and Belfort
+ Gurley
+ Henry J Green
+ Honeywell
+ Jason
+ Kahlsico
+ Keuffel and Esser
+ M C Stewart
+ MAXIMUM Inc
+ McAllister
+ Oakton
+ Ohio Thermometer Company
+ Palmer
+ Phila Thermo Co
+ Queen and Company
+ Sargent
+ Science Associates
+ Selsi
+ Seth Thomas
+ Sierra Weather Instrument
+ Springfield
+ Standard Thermometer Co
+ Swift and Anderson
+ Taylor/Tycos
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+ Aneroid Barometer Accuracy - December 2016
+ Aneroid Barometer Accuracy - January 2017
+ Aneroid Barometer Readability
- Barograph Accuracy Evaluations
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+ Barograph Accuracy Evaluation - December 2016
+ Barograph Accuracy Evaluation - January 2017
>
+ Belfort 800A Barograph Accuracy
+ Friez ML-3A Barograph Accuracy - 4 day charts
+ Friez ML-3A Barograph Accuracy - 31 day chart
+ Friez 620 Barograph Accuracy
+ Weathertronics 7021 Barograph Accuracy
+ Summary of Barograph Accuracy - January 2017
- Mercury Barometer Accuracy Evaluation
>
+ Mercury Barometer Accuracy - December 2016
+ Mercury Barometer Accuracy - January 2017
- Digital Barometer Accuracy Evaluation
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+ Digital Barometer Accuracy - January 2017
+ Accuracy of Digital Barometers
+ Local Pressure for Mercury Barometer
+ Sea Level Pressure from Local Pressure
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- Home
>
- Barographs
>
+ Riga Barograph
+ Friez 620 Barograph
+ Friez USGS Barograph
+ Henry J Green Barograph
+ Maxant Barograph
+ SATO Sigma II Barograph
+ Taylor 6450 Barograph
+ Weathertronics 7021 Barograph
- Instrument Collection
>
- Microbarographs
>
+ Lambrecht Model 290 Barograph
+ Dr A Mueller Barograph
+ Belfort 800A Microbarograph
+ Friez ML-3A Microbarograph
+ G222 Marine Microbarograph
+ Met Office 1191 Mk 2 Microbarograph
+ MSC Type B Microbarograph
+ Short & Mason 2315 Microbarograph
+ Weather Measure B211 Microbarograph
- Thermographs
>
+ Casella Thermograph
+ Friez ML-77 Thermograph
+ Henry J Green Thermograph
+ Taylor 2354 Thermograph
+ Weather Measure 4110 Thermograph
- Hygrographs
>
+ Jules Richard Recording Psychrometer
+ KAHLSICO Hygrograph
+ Short and Mason 2362 Hygrograph
- Meteorographs
>
+ Lambrecht 253 Meteorograph
+ Weathertronics 5011 Meteorograph
- Hygrothermographs
>
+ Belfort 594 Hygrothermograph
+Lufft 8145 Hygrothermograph
+ Oakton 37250-00 Hygrothermograph
+ Weathertronics 5020A Hygrothermograph
- Barometers
>
- Aneroid Barometers
>
+ Airguide Barometer
+ Barigo 1500 Marine Barometer
+ Belfort 6079 Barometer
+ Bendix ML-102E Barometer
+ CENCO Barometer
+ Changchun DYM-3 Barometer
+ Fee & Stemwedel Marine Barometer
+ Fischer Type 103 Marine Barometer
+ Fischer Barometer #2
+ Friez N Aero 1936 USN Barometer
+ Friez Ship's Barometer
+ Friez Ships Barometer #2
+ Friez Ships Barometer #3
+ GMP Barometer
+ GMP MD-49-2 Barometer
+ GMS Barometer
+ James Pitkin Barometer
+ Kollsman Barometer
+ Lilley & Gillie Barometer
+ Lufft Altimeter Pressure Station
+ Lufft Marine Barometer
+ Mechanism Ltd M1991/A
+ Naudet Barometer
+ Naudet Marine Barometer
+ Negretti & Zambra M2236 Typ 2 Barometer
+ Observator Barometer
+ OTA Keiki Seisakusho Barometer
+ R Fuess Marine Barometer
+ R Fuess 1938 Barometer
+ Russian Barometer 1941
+ Safonovsky Gidrometpribor BAMM-1
+ Safonovsky Gidrometpribors M-67
+ SUNDO Barometer
+ Swift Scientist Barometer
+ Takahashi Barometer
+ Taylor Navy Barometer
+ Taylor Stormoguide Barometer
+ Taylor 2236 Commodore Barometer #3
+ Tycos 2252 Barometer
+ Tycos 2075FK Altimeter
+ Unknown Mining Altimeter
+ Utsuki Keiki Barometer
+ Wallace & Tiernan FA-139 Altimeter Setting Barometer
+ Wallace & Tiernan Fa-140 Barometer
+ Wallace & Tiernan ML-102-D
+ Welch 1233 Classroom Barometer
+ Wempe Marine Barometer
+ Yanagi 6 Marine Barometer
+ Yanagi 8A Marine Barometer
- Mercury Barometers
>
+ CENCO 76890 Mercury Barometer
+ H J Green Observatory Barometer
+ H J Green Mountain Barometer
+ IMD Kew Pattern Barometer
+ James Green & Henry J Green Barometer
+ K Suzuki Mercury Barometer
+ P Adie Kew Pattern Mercury Barometer
+ WM Welch 1218 Barometer
- Tendency Barometers
>
+ Ambient Weather Storm Glass
+ Eco-celli E038 Tendency Barometer
- Thermometers
>
- Glass Bulb Thermometers
>
+ A J Dodge Thermometer
+ Henry J Green Thermometer
+ Hohmann & Maurer Thermometer
+ Palmer Marine Thermometer
+ Philadelphia Co Thermometer
+ Soil Thermometer
+ Soil Thermometer #2
+ Standard Thermometer
+ Taylor 5152(?) Thermometer
+ Taylor 17AA1 Thermometer
+ Tycos 5100 Thermometer
+ Taylor 5175 Classroom Thermometer
+ Unknown Marine Thermometer
+ US Army ML-7 Thermometer
+ Weksler USWB Pattern Thermometer
+ WM Welch 1259 Large ClassroomThermometer
- Dial Thermometers
>
+ Amesbury Dial Thermometer
+ Lufft Dial Thermometer
+ Large Standard Dial Thermometer
+ Small Standard Dial Thermometer
+ Tel-Tru Dial Room Thermometer
- Max Min Thermometers
>
+ Henry J Green Maximum Thermometer
+ Moeller Max Min Thermometer
+ Taylor Six's Thermometer
+ Unknown Max Min Thermometer
+ Weksler Maximum and Minimum Thermometers
- Hygrometers
>
- Wet Bulb Hygrometers
>
+ Bendix Friez 566 Psychron
+ Fritz Lange-Optik Sling Psychrometer
+ ML-436 Assman Psychrometer
+ R Fuess Assmann Psychrometer
+ Taylor Pocket Sling Psychrometer
- Tycos Lloyd's Hygrodeik
+ Tycos Mason's Hygrometer
+ Tycos Sling Psychrometer
+ Type MB-4 Aspiration Psychrometer
+ Weksler US Army Sling Psychrometer
- Hair Hygrometers
>
+ Bendix Friez Hygrodial
+ Brooklyn Thermometer Hygrometer
+ Fischer Model 111 Hygrometer
+ Fischer Model 118 Polymeter
+ Henry J Green Hygrometer
+ Lambrecht 194 Hygrometer
+ Lambrecht Polymeter
+ Lufft Hygrometer
+ Lufft Thermohygrometer
+ ZMD M-19 Hygrometer
+ ZMD M-68 Hygrometer
- Membrane Hygrometer
>
+ Bacharach 22-7056 Thermohygrometer
+ Bacharach 22-7059 Hygrometer
- Coil Hygrometers
>
+ Airguide Hygrometer 1950s
+ Airguide Kent Hygrometer
- Anemometers
>
+ Bendix Friez Wind Vane
+ Canadian Anemometer
+ Friez SC5-C Anemometer
+ Friez Model 340 Anemometer
+ GMP ARI-49 Anemometer
+ MS-13 Totalizing Anemometer
+ Georg Rosenmueller Anemometer
+ Novalynx 2511 Totalizing Anemometer
+ Tycos 3132 Biram Anemometer
+ Unknown US Army Anemometer
- Pyranometers
>
+ Belfort 5-3850 Pyranograph
+ Casella Actinograph
+ Eppley Model 50 Pyrheliometer
+ Eppley Model 10 Pyrheliometer
+ Kipp & Zonen CM5 Pyranometer
+ Casella Campbell Stokes Temperate Sunshine Recorder
+ Casella Campbell Stokes Tropical Sunshine Recorder
+ Henry J Green Jordan Sunshine Recorder
+ R Fuess Black Bulb Thermometer
+ Rain and Evaporation
>
+ Rain Gauges
>
+ W S Jenks Rain Gauge
+ Canadian Rain Gauge
+ Canadian Type A Rain Gauge
+ Casella Snowdon Rain Guage
+ Taylor 3 inch Rain Gauge
+ Weather Measure 6330 Rain Gauge
+ ML-435 Rain Gauge
+ USWB Snow Measuring Stick
+ Evaporation Gauges
>
- Lambrecht 1521 Evaporation Recorder
- Weather Measure E801 Evaporimeter
+ Visibility Meters
>
Casella Mk II M1768/44 Gold Visibility Meter
+ M-53a Visibility Meter
+ Fineman Nephoscope
+ Ottway Visibility Meter
+ Carl Zeiss Konimeter
+ Slide Rules
>
- Psychrometric Calculators
>
+ Bendix Friez Psychrometric Calculator
+ Casella T8563 Humidity Slide Rule
+ CP-165 Psychrometric Computer
+ CP-164 Psychrometric Computer
+ Feutron Type 1802 Slide Rule
+ Hunter Associates Psychrometric Calculator
+ Met Office Humidity Slide Rule
+ ML-322 Psychrometric Calculator
+ ML-429 Psychrometric Calculator
+ RSES Psychrometric Calculator
+ Weather Bureau Psychrometric Calculator
- Pressure/Altitude Slide Rules
>
+ ML-323 Pressure Calculator
+ Weather Research Facility Density Altitude Computer
+ Altitude Correction Computer
+ Meteorological Slide Rules
>
- US Navy ML-455 Temperasture Scale
- Wind Slide Rules
>
+ FCW-16B Combined Wind Plotting Board
- Solar Slide Rule
>
+ The Sundicator
- Data Reporting Slide Rules
>
+ M-455 Meteorological Conversion Scale
+ MXU-686 Meteorological Device
- Weather Forecasting Slide Rules
>
+ George J Igel Weathercaster
+ Guest Weathercaster
+ Irving P Krick Weather Guide
+ Negretti & Zambra Brass Forecast Slide Rule
+ Negretti & Zambra Plastic Forecast Slide Rule
+ Pilots Weather Computer CK-1
+ Taylor Form 99080 Weather Forecast Computer
+ The WeatherCycler
+ Other Instrument Collections
>
+ Josef Lang
>
+ Dubois et Casse
+ Lion et Guichard
+ Otto Bohne
+ Branislav Congradac
- Catalogs
>
- Austria
>
+ Kappeller
- China
>
+ Changchun
- France
>
+ A Baserga
+ Alfred Casse
+ Breguet
+ Charles Chevalier
+ Descombes et Cabasson
+ Drissler et Leroux
+ E Ducretet
+ E Eons Fils
+ Hue
+ Leon Carrez
+ Leon Nicole
+ Les Ateliers
+ Maxant
+ Naudet Dourde
+ Naudet et Cie
+ Richard
+ Schwarz et Cie
+ Societe Sotherphy
+ VEGA
- Germany
>
+ A Kruss
+ Albert Zuckschwerdt
+ Alt Eberhardt und Jaeger
+ Amarell
+ Arnold Fliedner
+ Arthur J Foerster
+ Barigo
+ Binde und Wegener
+ Bogel und Letsch
+ Bohne
+ Carl Emil Rose
+ Carl Kellner
+ Carl Staschen
+ Carl Zeiss
+ Constantin Heintz
+ Enz Thermometer
+ Ephraim Greiner
+ F F Greiner
+ Fischer
+ Fritz Lange-Optik
+ Frobel
+ Gebr Bergmann
+ Georg Rosenmuller
+ Gischard
+ Glaswerke Ilmenau
+ Goerz AG
+ H C Kroplin
+ Hermann Kunzel
+ Hermann Schilling
+ Herra
+ Hilmar Bocks und Sohn
+ Hollein und Reinhardt
+ Hugo Schlegel
+ Hugo Wernicke
+ J&A Bosch
+ Junkalor
+ Kuchler und Sohne
+ Lambrecht
+ Lufft
+ Max Kohl AG
+ Moller Oemichen und Co
+ Paul Wegener
+ R Burger
+ R Fuess
+ R Treuer
+ Richard Muller
+ Roessel-Messtechnik
+ Scholz
+ Schreyer und Co
+ SUNDO/Stacker und Olms
+ Wolff-Rodenstock GmbH
- Japan
>
+ Komatsu
+ Ota Keiki Seisakusho
+ Sato Keiryoki
+ Yanagi
- Netherlands
>
+ Observator
+ Wittich & Visser
- Russia
>
+ Gidrometpribor
+ Gidrometpribor OAO (Moscow)
+ Safonovsky Gidrometpribor
+ Soviet Trade Exhibition Catalog
- Switzerland
>
+ Hermann und Pfister-Haag
+ Thermindex
- United Kingdom
>
+ Cambridge Scientific Company
+ Casella
+ G Dollond
+ George Adams
+ Heath and Co - Hezzanith
+ J H Steward
+ J Hicks
+ John Patrick
+ Lilley & Gillie
+ Negretti and Zambra
+ O Comitti
+ Short and Mason
+ Shortland Smiths
+ T Cooke and Sons
- United States
>
+ Abbeon
+ A E Moeller
+ Airguide
+ A J Dodge/Charles Wilder
+ American Paulin
+ American Schaeffer and Budenberg
+ American Thermometer Co
+ B Kahn
+ Bacharach
+ Brooklyn Thermometer Co
+ Central Scientific Co (CENCO)
+ Chelsea Clock Company
+ Compass
+ Dietzgen
+ Eimer & Amend
+ Friez Bendix and Belfort
+ Gurley
+ Henry J Green
+ Honeywell
+ Jason
+ Kahlsico
+ Keuffel and Esser
+ M C Stewart
+ MAXIMUM Inc
+ McAllister
+ Oakton
+ Ohio Thermometer Company
+ Palmer
+ Phila Thermo Co
+ Queen and Company
+ Sargent
+ Science Associates
+ Selsi
+ Seth Thomas
+ Sierra Weather Instrument
+ Springfield
+ Standard Thermometer Co
+ Swift and Anderson
+ Taylor/Tycos
+ Tel-Tru
+ Verichron
+ W M Welch
+ Wallace and Tiernan
+ Weather Measure/Weathertronics
+ Weksler
+ Westclox
- Miscellaneous Downloads
>
+ Instrument Downloads
>
+ General Instrument Downloads
+ Barometer Document Downloads
>
+ General Barometer Downloads
+ Aneroid Barometer Downloads
+ Mercury Barometer Downloads
+ Thermometer Downloads
+ Hygrometer Downloads
+ Anemometer/Anemoscope Downloads
+ Pyranometer Downloads
+ Rain Gauge Downloads
+ Observers Manuals
+ Reference Downloads
+ Other Downloads
>
+ Wind Vanes and Lighning Rods
+ Vintage Meteorology Texts
- US NWS History
>
+ Origins
+ Smithsonian
+ Signal Service
+ Agriculture
+ Commerce
+ NOAA
- Book Lists
>
+ In General
+ Barometers
+ Thermometers
+ Hygrometers
+ Anemometers
+ Weather Vanes
- Barometric Calculations
>
- Aneroid Barometer Accuracy Evaluation
>
+ Aneroid Barometer Accuracy - December 2016
+ Aneroid Barometer Accuracy - January 2017
+ Aneroid Barometer Readability
- Barograph Accuracy Evaluations
>
+ Barograph Accuracy Evaluation - December 2016
+ Barograph Accuracy Evaluation - January 2017
>
+ Belfort 800A Barograph Accuracy
+ Friez ML-3A Barograph Accuracy - 4 day charts
+ Friez ML-3A Barograph Accuracy - 31 day chart
+ Friez 620 Barograph Accuracy
+ Weathertronics 7021 Barograph Accuracy
+ Summary of Barograph Accuracy - January 2017
- Mercury Barometer Accuracy Evaluation
>
+ Mercury Barometer Accuracy - December 2016
+ Mercury Barometer Accuracy - January 2017
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+ Digital Barometer Accuracy - January 2017
+ Accuracy of Digital Barometers
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- Microbarographs
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+ Lambrecht Model 290 Barograph
+ Dr A Mueller Barograph
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+ Friez ML-3A Microbarograph
+ G222 Marine Microbarograph
+ Met Office 1191 Mk 2 Microbarograph
+ MSC Type B Microbarograph
+ Short & Mason 2315 Microbarograph
+ Weather Measure B211 Microbarograph
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+ Casella Thermograph
+ Friez ML-77 Thermograph
+ Henry J Green Thermograph
+ Taylor 2354 Thermograph
+ Weather Measure 4110 Thermograph
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- Hygrographs
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+ Jules Richard Recording Psychrometer
+ KAHLSICO Hygrograph
+ Short and Mason 2362 Hygrograph
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- Meteorographs
- Meteorographs
+ Lambrecht 253 Meteorograph
+ Weathertronics 5011 Meteorograph
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- Hygrothermographs
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+ Belfort 594 Hygrothermograph
+Lufft 8145 Hygrothermograph
+ Oakton 37250-00 Hygrothermograph
+ Weathertronics 5020A Hygrothermograph
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- Barometers
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- Aneroid Barometers
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+ Airguide Barometer
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+ Belfort 6079 Barometer
+ Bendix ML-102E Barometer
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+ Changchun DYM-3 Barometer
+ Fee & Stemwedel Marine Barometer
+ Fischer Type 103 Marine Barometer
+ Fischer Barometer #2
+ Friez N Aero 1936 USN Barometer
+ Friez Ship's Barometer
+ Friez Ships Barometer #2
+ Friez Ships Barometer #3
+ GMP Barometer
+ GMP MD-49-2 Barometer
+ GMS Barometer
+ James Pitkin Barometer
+ Kollsman Barometer
+ Lilley & Gillie Barometer
+ Lufft Altimeter Pressure Station
+ Lufft Marine Barometer
+ Mechanism Ltd M1991/A
+ Naudet Barometer
+ Naudet Marine Barometer
+ Negretti & Zambra M2236 Typ 2 Barometer
+ Observator Barometer
+ OTA Keiki Seisakusho Barometer
+ R Fuess Marine Barometer
+ R Fuess 1938 Barometer
+ Russian Barometer 1941
+ Safonovsky Gidrometpribor BAMM-1
+ Safonovsky Gidrometpribors M-67
+ SUNDO Barometer
+ Swift Scientist Barometer
+ Takahashi Barometer
+ Taylor Navy Barometer
+ Taylor Stormoguide Barometer
+ Taylor 2236 Commodore Barometer #3
+ Tycos 2252 Barometer
+ Tycos 2075FK Altimeter
+ Unknown Mining Altimeter
+ Utsuki Keiki Barometer
+ Wallace & Tiernan FA-139 Altimeter Setting Barometer
+ Wallace & Tiernan Fa-140 Barometer
+ Wallace & Tiernan ML-102-D
+ Welch 1233 Classroom Barometer
+ Wempe Marine Barometer
+ Yanagi 6 Marine Barometer
+ Yanagi 8A Marine Barometer
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- Mercury Barometers
- Mercury Barometers
+ CENCO 76890 Mercury Barometer
+ H J Green Observatory Barometer
+ H J Green Mountain Barometer
+ IMD Kew Pattern Barometer
+ James Green & Henry J Green Barometer
+ K Suzuki Mercury Barometer
+ P Adie Kew Pattern Mercury Barometer
+ WM Welch 1218 Barometer
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- Tendency Barometers
- Tendency Barometers
+ Ambient Weather Storm Glass
+ Eco-celli E038 Tendency Barometer
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- Glass Bulb Thermometers
+ A J Dodge Thermometer
+ Henry J Green Thermometer
+ Hohmann & Maurer Thermometer
+ Palmer Marine Thermometer
+ Philadelphia Co Thermometer
+ Soil Thermometer
+ Soil Thermometer #2
+ Standard Thermometer
+ Taylor 5152(?) Thermometer
+ Taylor 17AA1 Thermometer
+ Tycos 5100 Thermometer
+ Taylor 5175 Classroom Thermometer
+ Unknown Marine Thermometer
+ US Army ML-7 Thermometer
+ Weksler USWB Pattern Thermometer
+ WM Welch 1259 Large ClassroomThermometer
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- Dial Thermometers
- Dial Thermometers
+ Amesbury Dial Thermometer
+ Lufft Dial Thermometer
+ Large Standard Dial Thermometer
+ Small Standard Dial Thermometer
+ Tel-Tru Dial Room Thermometer
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- Max Min Thermometers
- Max Min Thermometers
+ Henry J Green Maximum Thermometer
+ Moeller Max Min Thermometer
+ Taylor Six's Thermometer
+ Unknown Max Min Thermometer
+ Weksler Maximum and Minimum Thermometers
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- Hygrometers
- Hygrometers
- Wet Bulb Hygrometers
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- Membrane Hygrometer
- Coil Hygrometers
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- Wet Bulb Hygrometers
- Wet Bulb Hygrometers
+ Bendix Friez 566 Psychron
+ Fritz Lange-Optik Sling Psychrometer
+ ML-436 Assman Psychrometer
+ R Fuess Assmann Psychrometer
+ Taylor Pocket Sling Psychrometer
- Tycos Lloyd's Hygrodeik
+ Tycos Mason's Hygrometer
+ Tycos Sling Psychrometer
+ Type MB-4 Aspiration Psychrometer
+ Weksler US Army Sling Psychrometer
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- Hair Hygrometers
- Hair Hygrometers
+ Bendix Friez Hygrodial
+ Brooklyn Thermometer Hygrometer
+ Fischer Model 111 Hygrometer
+ Fischer Model 118 Polymeter
+ Henry J Green Hygrometer
+ Lambrecht 194 Hygrometer
+ Lambrecht Polymeter
+ Lufft Hygrometer
+ Lufft Thermohygrometer
+ ZMD M-19 Hygrometer
+ ZMD M-68 Hygrometer
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- Membrane Hygrometer
- Membrane Hygrometer
+ Bacharach 22-7056 Thermohygrometer
+ Bacharach 22-7059 Hygrometer
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- Coil Hygrometers
- Coil Hygrometers
+ Airguide Hygrometer 1950s
+ Airguide Kent Hygrometer
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- Anemometers
- Anemometers
+ Bendix Friez Wind Vane
+ Canadian Anemometer
+ Friez SC5-C Anemometer
+ Friez Model 340 Anemometer
+ GMP ARI-49 Anemometer
+ MS-13 Totalizing Anemometer
+ Georg Rosenmueller Anemometer
+ Novalynx 2511 Totalizing Anemometer
+ Tycos 3132 Biram Anemometer
+ Unknown US Army Anemometer
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- Pyranometers
- Pyranometers
+ Belfort 5-3850 Pyranograph
+ Casella Actinograph
+ Eppley Model 50 Pyrheliometer
+ Eppley Model 10 Pyrheliometer
+ Kipp & Zonen CM5 Pyranometer
+ Casella Campbell Stokes Temperate Sunshine Recorder
+ Casella Campbell Stokes Tropical Sunshine Recorder
+ Henry J Green Jordan Sunshine Recorder
+ R Fuess Black Bulb Thermometer
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+ Rain and Evaporation
+ Rain and Evaporation
+ Rain Gauges
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+ Rain Gauges
+ W S Jenks Rain Gauge
+ Canadian Rain Gauge
+ Canadian Type A Rain Gauge
+ Casella Snowdon Rain Guage
+ Taylor 3 inch Rain Gauge
+ Weather Measure 6330 Rain Gauge
+ ML-435 Rain Gauge
+ USWB Snow Measuring Stick
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+ Evaporation Gauges
+ Evaporation Gauges
- Lambrecht 1521 Evaporation Recorder
- Weather Measure E801 Evaporimeter
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+ Visibility Meters
+ Visibility Meters
Casella Mk II M1768/44 Gold Visibility Meter
+ M-53a Visibility Meter
+ Fineman Nephoscope
+ Ottway Visibility Meter
+ Carl Zeiss Konimeter
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- Psychrometric Calculators
- Psychrometric Calculators
+ Bendix Friez Psychrometric Calculator
+ Casella T8563 Humidity Slide Rule
+ CP-165 Psychrometric Computer
+ CP-164 Psychrometric Computer
+ Feutron Type 1802 Slide Rule
+ Hunter Associates Psychrometric Calculator
+ Met Office Humidity Slide Rule
+ ML-322 Psychrometric Calculator
+ ML-429 Psychrometric Calculator
+ RSES Psychrometric Calculator
+ Weather Bureau Psychrometric Calculator
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- Pressure/Altitude Slide Rules
- Pressure/Altitude Slide Rules
+ ML-323 Pressure Calculator
+ Weather Research Facility Density Altitude Computer
+ Altitude Correction Computer
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+ Meteorological Slide Rules
+ Meteorological Slide Rules
- US Navy ML-455 Temperasture Scale
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- Wind Slide Rules
- Wind Slide Rules
+ FCW-16B Combined Wind Plotting Board
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- Solar Slide Rule
- Solar Slide Rule
+ The Sundicator
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- Data Reporting Slide Rules
- Data Reporting Slide Rules
+ M-455 Meteorological Conversion Scale
+ MXU-686 Meteorological Device
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- Weather Forecasting Slide Rules
- Weather Forecasting Slide Rules
+ George J Igel Weathercaster
+ Guest Weathercaster
+ Irving P Krick Weather Guide
+ Negretti & Zambra Brass Forecast Slide Rule
+ Negretti & Zambra Plastic Forecast Slide Rule
+ Pilots Weather Computer CK-1
+ Taylor Form 99080 Weather Forecast Computer
+ The WeatherCycler
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+ Other Instrument Collections
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+ Kappeller
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- China
- China
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- France
- France
+ A Baserga
+ Alfred Casse
+ Breguet
+ Charles Chevalier
+ Descombes et Cabasson
+ Drissler et Leroux
+ E Ducretet
+ E Eons Fils
+ Hue
+ Leon Carrez
+ Leon Nicole
+ Les Ateliers
+ Maxant
+ Naudet Dourde
+ Naudet et Cie
+ Richard
+ Schwarz et Cie
+ Societe Sotherphy
+ VEGA
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- Germany
- Germany
+ A Kruss
+ Albert Zuckschwerdt
+ Alt Eberhardt und Jaeger
+ Amarell
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+ Arthur J Foerster
+ Barigo
+ Binde und Wegener
+ Bogel und Letsch
+ Bohne
+ Carl Emil Rose
+ Carl Kellner
+ Carl Staschen
+ Carl Zeiss
+ Constantin Heintz
+ Enz Thermometer
+ Ephraim Greiner
+ F F Greiner
+ Fischer
+ Fritz Lange-Optik
+ Frobel
+ Gebr Bergmann
+ Georg Rosenmuller
+ Gischard
+ Glaswerke Ilmenau
+ Goerz AG
+ H C Kroplin
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+ Hugo Schlegel
+ Hugo Wernicke
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+ Junkalor
+ Kuchler und Sohne
+ Lambrecht
+ Lufft
+ Max Kohl AG
+ Moller Oemichen und Co
+ Paul Wegener
+ R Burger
+ R Fuess
+ R Treuer
+ Richard Muller
+ Roessel-Messtechnik
+ Scholz
+ Schreyer und Co
+ SUNDO/Stacker und Olms
+ Wolff-Rodenstock GmbH
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- Japan
- Japan
+ Komatsu
+ Ota Keiki Seisakusho
+ Sato Keiryoki
+ Yanagi
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- Netherlands
- Netherlands
+ Observator
+ Wittich & Visser
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- Russia
- Russia
+ Gidrometpribor
+ Gidrometpribor OAO (Moscow)
+ Safonovsky Gidrometpribor
+ Soviet Trade Exhibition Catalog
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- Switzerland
- Switzerland
+ Hermann und Pfister-Haag
+ Thermindex
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- United Kingdom
- United Kingdom
+ Cambridge Scientific Company
+ Casella
+ G Dollond
+ George Adams
+ Heath and Co - Hezzanith
+ J H Steward
+ J Hicks
+ John Patrick
+ Lilley & Gillie
+ Negretti and Zambra
+ O Comitti
+ Short and Mason
+ Shortland Smiths
+ T Cooke and Sons
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- United States
- United States
+ Abbeon
+ A E Moeller
+ Airguide
+ A J Dodge/Charles Wilder
+ American Paulin
+ American Schaeffer and Budenberg
+ American Thermometer Co
+ B Kahn
+ Bacharach
+ Brooklyn Thermometer Co
+ Central Scientific Co (CENCO)
+ Chelsea Clock Company
+ Compass
+ Dietzgen
+ Eimer & Amend
+ Friez Bendix and Belfort
+ Gurley
+ Henry J Green
+ Honeywell
+ Jason
+ Kahlsico
+ Keuffel and Esser
+ M C Stewart
+ MAXIMUM Inc
+ McAllister
+ Oakton
+ Ohio Thermometer Company
+ Palmer
+ Phila Thermo Co
+ Queen and Company
+ Sargent
+ Science Associates
+ Selsi
+ Seth Thomas
+ Sierra Weather Instrument
+ Springfield
+ Standard Thermometer Co
+ Swift and Anderson
+ Taylor/Tycos
+ Tel-Tru
+ Verichron
+ W M Welch
+ Wallace and Tiernan
+ Weather Measure/Weathertronics
+ Weksler
+ Westclox
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- Miscellaneous Downloads
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+ Barometer Document Downloads
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+ Barometers
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- Barometric Calculations
- Barometric Calculations
- Aneroid Barometer Accuracy Evaluation
- Barograph Accuracy Evaluations
- Mercury Barometer Accuracy Evaluation
- Digital Barometer Accuracy Evaluation
+ Local Pressure for Mercury Barometer
+ Sea Level Pressure from Local Pressure
- Printing Charts
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- Aneroid Barometer Accuracy Evaluation
- Aneroid Barometer Accuracy Evaluation
+ Aneroid Barometer Accuracy - December 2016
+ Aneroid Barometer Accuracy - January 2017
+ Aneroid Barometer Readability
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- Barograph Accuracy Evaluations
- Barograph Accuracy Evaluations
+ Barograph Accuracy Evaluation - December 2016
+ Barograph Accuracy Evaluation - January 2017
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+ Barograph Accuracy Evaluation - January 2017
+ Barograph Accuracy Evaluation - January 2017
+ Belfort 800A Barograph Accuracy
+ Friez ML-3A Barograph Accuracy - 4 day charts
+ Friez ML-3A Barograph Accuracy - 31 day chart
+ Friez 620 Barograph Accuracy
+ Weathertronics 7021 Barograph Accuracy
+ Summary of Barograph Accuracy - January 2017
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- Mercury Barometer Accuracy Evaluation
- Mercury Barometer Accuracy Evaluation
+ Mercury Barometer Accuracy - December 2016
+ Mercury Barometer Accuracy - January 2017
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- Digital Barometer Accuracy Evaluation
- Digital Barometer Accuracy Evaluation
+ Digital Barometer Accuracy - January 2017
+ Accuracy of Digital Barometers
Instrument Collection of Josef Lang (Germany)
Dubois et Casse
Lion & Guichard Barometers
Otto Bohne Barometers
