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Expired
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William Murray Myers
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Individual
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Individual
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Publication of GB190703781ApublicationCriticalpatent/GB190703781A/en
3781. Myers, W. M. Feb. 15. Water-levels, indicating.-The fall of the float 9 in the column 8, which opens to the boiler, and of the weight 11, attached to the float, causes a depression of the flexible diaphragm 12 with the result that the movable contact 14 touches the fixed contact 13. The closure of an electric circuit in this manner rings an alarm-bell 18. The employment of the diaphragm prevents access of water to the contacts.
GB190703781D1907-02-151907-02-15Improvements in Boiler Alarms
ExpiredGB190703781A
(en)