Vintage Bristol’s Thermo-Humidigraph No. 40263, Chart 4033, 1932 For Sale
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Vintage Bristol’s Thermo-Humidigraph No. 40263, Chart 4033, 1932:
$20.00
The Bristol’s Thermo-Humidigraph measures 5 ¾” indiameter, 3 ¾” thick and 6” tall including the feet. The glass front opens andsecures well. There is a heavy gauge wire handle and a hole in the back toaccommodate hanging. There is paint fading and wear all over. In the center of the chart is Bristol’s Thermo-Humidigraph, By The Bristol Company, Waterbury, U.S.A. Copyright1932. I don’t know if the humidigraph works.
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