Air conditioning aids in artillery optic
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R.H.O.
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Article
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1943
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Elsevier Science
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English
โ 50 KB
The third installation of air conditioning equipment in the binocular assembly room of Bausch & Lomb, optical manufacturers of Rochester, N. Y., was recently made. Air conditioned rooms are required for the preparation of optical parts of binoculars because dirt cuts the light-gathering properties o