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- 1941
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- July 19, 2022
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- SCIENCE IN DEMOCRACY PAGE An address by Brigadier General David Sarnoff before the Avieri- can Academy
- Date:
- 1941
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- paralleling in a general fashion that presented by the legitimate theatre, radio, and motion pictures, but
- Date:
- 1941
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- Solving a Radio Traffic Problem By E. A. Laport Director, Communications Engineering, RCA c
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- 1941
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- , DEVEL- OPER OF THE METHOD OF CHARTING IN- LAND WATERWAYS BY RADAR. COMPARISON OF RADAR MOSAIC (TOP
- Date:
- 1941
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- ; the oscillograph panels are phosphor-coated by the silk screen process; the small RCA emblems are
- Date:
- 1941
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- . (Novembei- IS.) 1930 Television on 6 x 8-foot screen was shown by RCA at RKO-Proctor's 58th Street Thea- ter
- Date:
- 1941
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- phonograph designed to deliver recorded messages from the free world by air-dropping behind the Iron Curtain
- Date:
- 1941
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- unseen worlds in the submicro- scopic realm, this stethoscope, de- veloped by Dr. Harry F. Olson
- Date:
- 1941
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- realm, this stethcope, de- veloped by Dr. Harry *'. Olson, promises to widen the study of sound within
- Date:
- 1941
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- Division VOLUME 5 NUMBER 4 JULY 1946 CONTENTS PAGE THE ATOM'S CHALLENGE by Brig. General David