CA142875A - Lampe a signaux de chemins de fer - Google Patents

Lampe a signaux de chemins de fer

Info

Publication number
CA142875A
CA142875A CA000142875A CA142875DA CA142875A CA 142875 A CA142875 A CA 142875A CA 000142875 A CA000142875 A CA 000142875A CA 142875D A CA142875D A CA 142875DA CA 142875 A CA142875 A CA 142875A
Authority
CA
Canada
Prior art keywords
signal lamp
railway signal
railway
lamp
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
CA000142875A
Other languages
English (en)
Inventor
Hiram Lucas Piper
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA142875A publication Critical patent/CA142875A/fr
Expired legal-status Critical Current

Links

CA000142875A 1912-04-25 1912-04-25 Lampe a signaux de chemins de fer Expired CA142875A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA142875T 1912-04-25

Publications (1)

Publication Number Publication Date
CA142875A true CA142875A (fr) 1912-09-17

Family

ID=45262590

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000142875A Expired CA142875A (fr) 1912-04-25 1912-04-25 Lampe a signaux de chemins de fer

Country Status (1)

Country Link
CA (1) CA142875A (fr)

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