AU849027A - Improvements in or relating to light signals - Google Patents

Improvements in or relating to light signals

Info

Publication number
AU849027A
AU849027A AU8490/27A AU849027A AU849027A AU 849027 A AU849027 A AU 849027A AU 8490/27 A AU8490/27 A AU 8490/27A AU 849027 A AU849027 A AU 849027A AU 849027 A AU849027 A AU 849027A
Authority
AU
Australia
Prior art keywords
relating
light signals
signals
light
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
AU8490/27A
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 Corp
Original Assignee
General Railway Signal Co
Filing date
Publication date
Application filed by General Railway Signal Co filed Critical General Railway Signal Co
Publication of AU849027A publication Critical patent/AU849027A/en
Expired legal-status Critical Current

Links

AU8490/27A 1927-07-25 Improvements in or relating to light signals Expired AU849027A (en)

Publications (1)

Publication Number Publication Date
AU849027A true AU849027A (en) 1927-11-29

Family

ID=

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