Geo. Adlam & Sons Ltd. Bristol, Pump Desiccator for Telescopes and Binoculars, Admiralty Patt. 12128, 1944 (View 5)
There is a membrane type manometer (vacuum/pressure gauge) attached to the desiccator which may have been used to test the air-tightness of the system including testing the binocular to locate any leakage points.
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Uploaded on August 15, 2015
Taken on July 18, 2015
Geo. Adlam & Sons Ltd. Bristol, Pump Desiccator for Telescopes and Binoculars, Admiralty Patt. 12128, 1944 (View 5)
There is a membrane type manometer (vacuum/pressure gauge) attached to the desiccator which may have been used to test the air-tightness of the system including testing the binocular to locate any leakage points.
12,842
views
3
faves
0
comments
Uploaded on August 15, 2015
Taken on July 18, 2015