GB190707959A - Improvements in Electric Automatic Fire Alarms - Google Patents

Improvements in Electric Automatic Fire Alarms

Info

Publication number
GB190707959A
GB190707959A GB190707959DA GB190707959A GB 190707959 A GB190707959 A GB 190707959A GB 190707959D A GB190707959D A GB 190707959DA GB 190707959 A GB190707959 A GB 190707959A
Authority
GB
United Kingdom
Prior art keywords
disk
automatic fire
fire alarms
terminal
electric automatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Henry Howson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190707959A publication Critical patent/GB190707959A/en
Expired legal-status Critical Current

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Abstract

7959. Howson, H. April 5. Alarms, fire.-A thermal contact-maker comprises a hollow copper disk B, of hexagonal shape, with an asbestos washer inside almost entirely filling the inside of the disk and filled with liquid and sealed. The disk B is carried by an adjustable hollow tube C, through which passes a vertical shaft A acted on by the disk and attached to one end of a lever F which is connected to one terminal, is fulcrumed at E, and has a wedge-shaped end adapted to engage spring contacts D connected to the other terminal.
GB190707959D 1907-04-05 1907-04-05 Improvements in Electric Automatic Fire Alarms Expired GB190707959A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190707959T 1907-04-05

Publications (1)

Publication Number Publication Date
GB190707959A true GB190707959A (en) 1908-04-04

Family

ID=32633066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190707959D Expired GB190707959A (en) 1907-04-05 1907-04-05 Improvements in Electric Automatic Fire Alarms

Country Status (1)

Country Link
GB (1) GB190707959A (en)

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