CA311235A - Electric switch for electrical signalling apparatus - Google Patents

Electric switch for electrical signalling apparatus

Info

Publication number
CA311235A
CA311235A CA311235A CA311235DA CA311235A CA 311235 A CA311235 A CA 311235A CA 311235 A CA311235 A CA 311235A CA 311235D A CA311235D A CA 311235DA CA 311235 A CA311235 A CA 311235A
Authority
CA
Canada
Prior art keywords
electric switch
signalling apparatus
electrical signalling
electrical
switch
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
CA311235A
Other languages
French (fr)
Inventor
Sylvester Thimblethorpe Wilfred
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
Application granted granted Critical
Publication of CA311235A publication Critical patent/CA311235A/en
Expired legal-status Critical Current

Links

CA311235A Electric switch for electrical signalling apparatus Expired CA311235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA311235T

Publications (1)

Publication Number Publication Date
CA311235A true CA311235A (en) 1931-05-12

Family

ID=35270560

Family Applications (1)

Application Number Title Priority Date Filing Date
CA311235A Expired CA311235A (en) Electric switch for electrical signalling apparatus

Country Status (1)

Country Link
CA (1) CA311235A (en)

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