| ECHO FREE ROOM Scientists test the latest radio speaker in an echo free chamber | ||
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| This clip is not available for streaming at this time. Please contact WPA. | Tape Master: | 7156 |
| Catalog #: | 501485 | |
| Clip Number: | 501485-1 | |
| Orginal Film: | NP 387 | |
| Timecode: | 01:41:37 - 01:43:17 | |
| Location: | London | |
| Year Shot: | 1952 (Actual Year) | |
| Audio: | Yes | |
| Color: | No | |
| Headings: | ENTERTAINMENT/RADIO: Technology INDUSTRY: Product Testing LOCATIONS/EUROPE: UK, England, London SCIENCE: Acoustics | |
| Description: | Radio speaker is tested in specially designed echo free room in London. C/U Panning round wall show echo absorbing device. M/S two men walking int room with radio set. M/S One man puts set on stool and another one plugs in. C/U Plug going in C/U Man turns on set. M/S man putting microphone into position C/U Hand taking cap off mike. M/S Man leaves room and starts to shut door. C/U Door shutting. M/S Man on outside battening down door. M/S Man signalling colleague. M/S Man at set puts on earphones etc., M/S First man winding handle. C/U Radio set inside room turning. C/U Turning mechanism. M/S Set passing mike M/S Man outside tuning set. C/U Speaker showing movement of sound waves. MS. Radio set turning. MS. Engineer at controls of set outside. CU. Radio waves. MS. Radio inside room. | |
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