Circular barometer mounted on plain, rectangular, plywood backing for wall mounting. "Air guide barometer compensated" on face, also "Made in USA by Fee and Stemwedel Inc. Chicago". Dial shows pressure in inches and millibars, as well as "rain change fair" indicators. Casing of brass has four sā¦
Circular barometer mounted on plain, rectangular, plywood backing for wall mounting. "Air guide barometer compensated" on face, also "Made in USA by Fee and Stemwedel Inc. Chicago". Dial shows pressure in inches and millibars, as well as "rain change fair" indicators. Casing of brass has four screw mounts at rim. Manual red needle can be set for comparison of day to day readings, black needle for humidity readings immovable.