A WWII era U.S. Navy copper cased brass marine barometer made by the W. M. Welch Manufacturing Company of Chicago; image credit on full record.
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Barometer; Marine, Welch Manufacturing, US Navy, Brass, 1941, Copper Case.
A copper cased brass marine barometer, barometer sliding setting that corresponds with rotating knob. Gradients from 760 to 1080. Thermometer immediat... [more detail available via subscription]
