CA272857A - Lamp sighting device - Google Patents

Lamp sighting device

Info

Publication number
CA272857A
CA272857A CA272857A CA272857DA CA272857A CA 272857 A CA272857 A CA 272857A CA 272857 A CA272857 A CA 272857A CA 272857D A CA272857D A CA 272857DA CA 272857 A CA272857 A CA 272857A
Authority
CA
Canada
Prior art keywords
sighting device
lamp
lamp sighting
sighting
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
CA272857A
Other languages
French (fr)
Inventor
M. Day Salisbury
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 CA272857A publication Critical patent/CA272857A/en
Expired legal-status Critical Current

Links

CA272857A Lamp sighting device Expired CA272857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA272857T

Publications (1)

Publication Number Publication Date
CA272857A true CA272857A (en) 1927-08-02

Family

ID=35202888

Family Applications (1)

Application Number Title Priority Date Filing Date
CA272857A Expired CA272857A (en) Lamp sighting device

Country Status (1)

Country Link
CA (1) CA272857A (en)

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