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Optical instrumentation

Description: From abstract: "the general optical systems of periscopes are discussed. Illustrative diagrams of several variations of periscopic design also included."
Date: 1952
Creator: McCorkle, Willard Homer

Optical instrumentation

Description: Report describing optical problems in the Metallurgical Project, problems with the principles of optics, and problems of mechanical construction related to the Metallurgical Project.
Date: 1952
Creator: Monk, George Spencer, 1884-