Today I posted catalog pages for meteorological instruments marketed by the Kahl Scientific Instrument Corporation, or KAHLSICO, of El Cajon, California.  They appear to date from the late 1970s and early 1980s.  

​Go to KAHLSICO catalog page.

I also added five instruments to the instrument collection section of the website, including:

1. A Lambrecht Model 194 hygrometer.
2. A GMP Model MD-49-2 aneroid barometer.
3. A KAHLSICO hygrograph.
4. A Short & Mason Model 2362 hygrograph.
5. A Casella Model T6554 thermograph.