The Kahl Scientific Instrument Corporation of El Cajon, California, also known as KAHLSICO, was founded in 1935 by Joseph Kahl.  Intitially a supplier of oceanographic instruments, they also supplied a large array of meteorological and environmental instruments.  They are still in business with 15 employees, but no longer market analog instruments.

The following is a collection of Kahlsico catalog pages for their meteorological instruments - Updated 7/30/18 (64 pages):

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