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Charles Walter Moule
William Mark Hasell
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Individual
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Individual
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Publication of GB190617293ApublicationCriticalpatent/GB190617293A/en
17,293. Moule, C. W., and Hasell, W. M. Aug. 1. Switches. - A firealarm, in combination with an electric bell-push which can be used independently consists of a thermometer tube e containing mercury, which, on a given rise in temperature, is discharged to bridge the terminals a<1>, b<1> of an electric alarm circuit.
GB190617293D1906-08-011906-08-01Improved Automatic Electric Fire Alarm.
ExpiredGB190617293A
(en)