U.S. Army Aneroid Barometer ML-102-G in Military Case, Wallace & Tiernan New Jersey
US Army Aneroid Barometer, used on vehicles or with the dismounted troop, manufacturer: Wallace & Tiernan New Jersey. US marked under the sticker on the disc. Stickers marked with U.S. Army Calibration System TM 38-750 1979
Device works, but should be compared with the information provided by the weather service for accuracy.
Serial number No 105