Airguide Vintage Art Deco Temperature & Relative Humidity Indicator Works

Description

Airguide Vintage Art Deco Temperature & Relative Humidity Indicator made by Fee and Stemwedel Inc. in Chicago. Ill. The glass is domed it's surrounded by a chrome rim and plastic frame with a fold out wire stand. Looks like both the temperature and humidity gauges work. There is a crack in the plastic frame in the top right corner. Please see photos for detail.
Dimensions: 4 1/2" x 4 1/2" x 1 1/2"