CA299948A - Signal lumineux de chemin de fer - Google Patents

Signal lumineux de chemin de fer

Info

Publication number
CA299948A
CA299948A CA299948A CA299948DA CA299948A CA 299948 A CA299948 A CA 299948A CA 299948 A CA299948 A CA 299948A CA 299948D A CA299948D A CA 299948DA CA 299948 A CA299948 A CA 299948A
Authority
CA
Canada
Prior art keywords
railroads
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
CA299948A
Other languages
English (en)
Inventor
F. Merkel Joseph
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 CA299948A publication Critical patent/CA299948A/fr
Expired legal-status Critical Current

Links

CA299948A Signal lumineux de chemin de fer Expired CA299948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA299948T

Publications (1)

Publication Number Publication Date
CA299948A true CA299948A (fr) 1930-05-06

Family

ID=35237267

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299948A Expired CA299948A (fr) Signal lumineux de chemin de fer

Country Status (1)

Country Link
CA (1) CA299948A (fr)

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