vintage Fee Stemwedel Airguide thermometer advertising Bode Gravel Co hygrometer

Description

vintage Fee Stemwedel Airguide thermometer advertising Bode Gravel Co hygrometer.
Temperature and humidity both work. Measures 3 1/2”. Has some soiling on lens and case that will clean up. Very nice condition overall. Small x etched in back upper left corner. Hard to find piece, even harder as an advertising piece, Bodemix concrete Bode Gravel Co