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Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Series 8, Instruments

 Series — Box 1
Scope and Contents This series contains several precision instruments collected by Col. Arthur L. Hecht, USA. The instruments include one pocket seal, a slide rule, and three varying sets of precision drawing tools, two of which made in Germany.
Dates: 1941-05-28 - 1980-10-30