Gramophone burglar alarm, c 1939.

Image number: 10212088

Gramophone burglar alarm, c 1939.

Household burglar alarm made by Burgot Alarms Ltd, England. When this alarm is tripped by an intruder it dials a telephone number and plays a message from the gramophone record.

Image number:
10212088
Credit:
Science Museum/Science & Society Picture Library
Date taken:
20 October 2003 12:10
Image rights:
Science Museum
 

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