Date: | |
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Description: | The Bell System Telstar Satellite first orbit showing apogee and perigee. |
Date: | |
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Description: | Depiction of orbit of Telstar satellite when within range of Andover and English ground stations. |
Date: | |
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Description: | Illustration of the RCA Radiola model 64 and a Centralized Radio Receiver, both intended for classroom use. |
Date: | 1969 |
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Description: | Poster advertising screenings of Emile de Antonio's 1969 documentary "In the Year of the Pig," as promoted by the Committee on Vietnam in New Zealand. The ... |
Date: | 1923 |
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Description: | Blueprint U.S. map showing locations from which reports were received indicating reception of a basketball game broadcast by WHA radio out of Madison. |
Date: | 1906 |
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Description: | View of Richard Fessenden's radio tower at Brant Rock, Massachusetts. A fence-lined dirt road leads toward the tower and several structures can be seen in ... |
Date: | |
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Description: | A blueprint schematic of a radio telephone circuit for the University of Wisconsin in Madison. |
Date: | |
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Description: | Elevated view of Wisconsin Avenue from Capitol Square to Lake Mendota. City Hall is on the left. Radio towers are on a rooftop on the right. Caption reads:... |
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