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Description: | Regloscope type W930A serial no. 358 by British Watch Timers Ltd., England, complete with stand for watch incorporating a microphone (an instrument with a cathode ray tube display, for determining whether a watch is running fast or slow so that it can be adjusted), 1970-89. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | watch timer | Temporal: | 1970-1989 (estimated) | Source: | Science Museum | Creator: | British Watch Timers Ltd. | Identifier: | 2000-1099 | Go to resource |
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