AU104899B2 - Interlocking systems for railroads - Google Patents

Interlocking systems for railroads

Info

Publication number
AU104899B2
AU104899B2 AU2977/37A AU297737A AU104899B2 AU 104899 B2 AU104899 B2 AU 104899B2 AU 2977/37 A AU2977/37 A AU 2977/37A AU 297737 A AU297737 A AU 297737A AU 104899 B2 AU104899 B2 AU 104899B2
Authority
AU
Australia
Prior art keywords
railroads
interlocking systems
interlocking
systems
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
AU2977/37A
Other versions
AU297737A (en
Inventor
Xokth Wight Sedgwick
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
Application granted granted Critical
Publication of AU104899B2 publication Critical patent/AU104899B2/en
Publication of AU297737A publication Critical patent/AU297737A/en
Expired legal-status Critical Current

Links

AU2977/37A 1938-08-23 Interlocking systems for railroads Expired AU104899B2 (en)

Publications (2)

Publication Number Publication Date
AU104899B2 true AU104899B2 (en) 1938-09-08
AU297737A AU297737A (en) 1938-09-08

Family

ID=

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