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| Date: | 05 14 1963 |
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| Description: | Lunar trajectory paths and computations on a blackboard are discussed by employees of Milwaukee's Astronautics, Inc. |
| Date: | 1944 |
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| Description: | William Koppa uses a microscope to examine a specimen of steel. The original caption reads: "Micro-photography is employed at International Harvester's Gas... |
| Date: | 1943 |
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| Description: | A man using a microscope to match a ball bearing for an aircraft torpedo at an International Harvester factory. The original caption reads: "A powerful mic... |
| Date: | 1939 |
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| Description: | Two women and a girl stand near a counter inside a general store as a man shows them a product. A cat and a dog sleep on the floor in the background, and a... |
| Date: | 01 24 1930 |
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| Description: | View of two factory men at work desks at a plant that assembled Comet aircraft engines. They are sitting on wooden stools between Korn scales in a narrow b... |
| Date: | 03 15 1954 |
|---|---|
| Description: | Elevated view of technicians working at the American Optical Company located on 429 State Street. Men are standing and sitting at several work stations to ... |
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