Date: | 1937 |
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Description: | Three men laying wire in a forested area for W.H.A.S Radio. One of the men is operating an International T-20 TracTracTor (crawler tractor). |
Date: | |
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Description: | Man wearing microphone and headphones seated before a radar screen. |
Date: | |
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Description: | Congressman David R. Obey stepping off a plane for an appointment in his district. An airport employee wearing headphones stands at the foot of the airplan... |
Date: | 1962 |
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Description: | A technician prepares the ends of cable wires in the Telstar satellite. |
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