Wwii U.S. Navy in Londonderry, VT
WWII HYTHERGRAPH, came off U.S. NAVY ship and was used to record relative humidity and record air temperature. (click to respond), pics available upon requestListing originally posted at http
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WWII HYTHERGRAPH, came off U.S. NAVY ship and was used to record relative humidity and record air temperature. (click to respond), pics available upon requestListing originally posted at http