CA268423A - Signal a lanterne - Google Patents

Signal a lanterne

Info

Publication number
CA268423A
CA268423A CA268423A CA268423DA CA268423A CA 268423 A CA268423 A CA 268423A CA 268423 A CA268423 A CA 268423A CA 268423D A CA268423D A CA 268423DA CA 268423 A CA268423 A CA 268423A
Authority
CA
Canada
Prior art keywords
light signal
light
signal
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
CA268423A
Other languages
English (en)
Inventor
W. Prescott Charles
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA268423A publication Critical patent/CA268423A/fr
Expired legal-status Critical Current

Links

CA268423A Signal a lanterne Expired CA268423A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA268423T

Publications (1)

Publication Number Publication Date
CA268423A true CA268423A (fr) 1927-02-15

Family

ID=35196377

Family Applications (1)

Application Number Title Priority Date Filing Date
CA268423A Expired CA268423A (fr) Signal a lanterne

Country Status (1)

Country Link
CA (1) CA268423A (fr)

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