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Published on
Today I posted two articles from early 1871 from Scribner's Monthly Magazine describing the beginning of the US Signal Service weather service.  Entitled "Weather Telegrams and Storm Forecasts by the American Signal Service", they may be found in the National Weather Service History section of the website under The Signal Service Years.

Go to The Signal Service Years.
Published on
Today I posted a Casella 6100 Model IIIA Campbell Stokes sunshine recorder from my collection on the website.  It's designed for tropical latitudes.  The other Campbell Stokes device already on the website is for temperate latitudes. 
Go to Tropical Campbell Stokes webpage.

I also posted a US Navy ML-455 Meteorological Conversion Scale.
​Go to ML-455 webpage.
Published on
Today I added two evaporation recorders from my collection to the website:

  • A Lambrecht 1521 Evaporation Recorder.  It measures and records pan evaporation
  • A Weather Measure E801 Evaporimeter.  It measures and records evaporation from a wetted filter paper.

​Go to Evaporation Recorder Webpage.
Published on
A website visitor from Germany has sent me a PDF of a 48 page 1891 catalog of meteorological instruments from the German manufacturer R Fuess. I have just posted it on the website.
Thank you, Thilo.
​
​Go to R Fuess catalog webpage.
Published on
Today I scanned and posted a few documents on anemometers, including T R Robinson's 1878-1880 articles on the constants of the cup anemometer. They may be found under Miscellaneous Downloads on the Anemometer Download Page.

​Go to Anemometer Download Page.
Published on
I finished revising my history of the National Weather Service to include the Environmental Science Services Administration (ESSA) years.

Go to Department of Commerce Years of the NWS.
Published on
Today I added several instrument advertisements and photographs to the website.  I also added a 14 page manual from 1959 for a Wallace & Tiernan FA-160 Absolute Pressure Indicator.

Go to Wallace & Tiernan Catalog webpage.

I also started revising my history of the National Weather Service to include the ESSA years.

Go to Department of Commerce Years of the NWS.

I will continue adding to this over the next several weeks.
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