GB189320047A - Improvements in Electrical Apparatus for Use in Controlling Semaphore and other Signals. - Google Patents

Improvements in Electrical Apparatus for Use in Controlling Semaphore and other Signals.

Info

Publication number
GB189320047A
GB189320047A GB189320047DA GB189320047A GB 189320047 A GB189320047 A GB 189320047A GB 189320047D A GB189320047D A GB 189320047DA GB 189320047 A GB189320047 A GB 189320047A
Authority
GB
United Kingdom
Prior art keywords
signals
electrical apparatus
semaphore
controlling
controlling semaphore
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
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.)
Electric Selector & Signal Co
MICHAEL BARRY LEONARD
Original Assignee
Electric Selector & Signal Co
MICHAEL BARRY LEONARD
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 Electric Selector & Signal Co, MICHAEL BARRY LEONARD filed Critical Electric Selector & Signal Co
Application granted granted Critical
Publication of GB189320047A publication Critical patent/GB189320047A/en
Expired legal-status Critical Current

Links

GB189320047D 1893-10-24 1893-10-24 Improvements in Electrical Apparatus for Use in Controlling Semaphore and other Signals. Expired GB189320047A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189320047T 1893-10-24

Publications (1)

Publication Number Publication Date
GB189320047A true GB189320047A (en) 1894-03-10

Family

ID=32121072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189320047D Expired GB189320047A (en) 1893-10-24 1893-10-24 Improvements in Electrical Apparatus for Use in Controlling Semaphore and other Signals.

Country Status (1)

Country Link
GB (1) GB189320047A (en)

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