Bidspirit auction | F. B. W. S. and

F. B. W. S. and Stemwedel, Inc. Airguide Relative Comfort Indicator - A vintage Airguide Relative Comfort Indicator by F. B. W. S. and Stemwedel, Inc., Chicago. This instrument functions as a hygrometer and thermometer, presented in a rectangular, light-toned wood case with rounded edges, reflecting a mid-20th century aesthetic. The front features a central multi-color dial with two pointers indicating ”RELATIVE HUMIDITY” (0-80) and ”TEMPERATURE” (60-80). Text on the dial includes ”FOR GREATEST COMFORT HANDS- SHOULD BE IN SAME COLOR ZONE, ” and ”Airguide RELATIVE COMFORT INDICATOR.” The reverse features three horizontal ventilation slats. The base includes four felt feet and a metal plate partially legible as ”MADE IN U.S.A.” Width: 6 1/2 inches Height: 3 1/2 inches