AU108011A - An electric light burglar alarm and automatic testing switch - Google Patents

An electric light burglar alarm and automatic testing switch

Info

Publication number
AU108011A
AU108011A AU1080/11A AU108011A AU108011A AU 108011 A AU108011 A AU 108011A AU 1080/11 A AU1080/11 A AU 1080/11A AU 108011 A AU108011 A AU 108011A AU 108011 A AU108011 A AU 108011A
Authority
AU
Australia
Prior art keywords
electric light
burglar alarm
automatic testing
testing switch
light burglar
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
AU1080/11A
Inventor
Edward Gerard Alfred
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
Publication date
Publication of AU108011A publication Critical patent/AU108011A/en
Expired legal-status Critical Current

Links

AU1080/11A An electric light burglar alarm and automatic testing switch Expired AU108011A (en)

Publications (1)

Publication Number Publication Date
AU108011A true AU108011A (en) 1912-08-20

Family

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