- Published on
Today I added a web page on the US instrument manufacturer Bacharach. While primarily an industrial instrument manufacturer, over the years they manufactured barographs and thermographs (using circular charts) as well as hygrometers, hygrographs, and sling psychrometers. It's in the 'Weather Instrument Catalog' section, under 'United States''.
I also added a Bacharach thermohygrometer and a Bacharach hygrometer to the website. These instruments use a hygroscopic goldbeater's skin membrane to measure relative humidity. Goldbeater's skin is made from cow intestine. Bacharach made these instruments under a patent held by Serdex, Inc. You'll find them at 'Weather Instrument Collection/Hygrometers/Membrane Hygrometers', which is a new category.
I also added a Bacharach thermohygrometer and a Bacharach hygrometer to the website. These instruments use a hygroscopic goldbeater's skin membrane to measure relative humidity. Goldbeater's skin is made from cow intestine. Bacharach made these instruments under a patent held by Serdex, Inc. You'll find them at 'Weather Instrument Collection/Hygrometers/Membrane Hygrometers', which is a new category.
0 Comments
