FR333912A - Improvements to signal devices for railways - Google Patents

Improvements to signal devices for railways

Info

Publication number
FR333912A
FR333912A FR333912DA FR333912A FR 333912 A FR333912 A FR 333912A FR 333912D A FR333912D A FR 333912DA FR 333912 A FR333912 A FR 333912A
Authority
FR
France
Prior art keywords
railways
signal devices
devices
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
Other languages
French (fr)
Inventor
Frank Lemont Dodgson
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 FR333912A publication Critical patent/FR333912A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/12Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only partly operated by train

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR333912D 1903-06-27 1903-06-27 Improvements to signal devices for railways Expired FR333912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR333912T 1903-06-27

Publications (1)

Publication Number Publication Date
FR333912A true FR333912A (en) 1903-12-07

Family

ID=1383474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR333912D Expired FR333912A (en) 1903-06-27 1903-06-27 Improvements to signal devices for railways

Country Status (1)

Country Link
FR (1) FR333912A (en)

Similar Documents

Publication Publication Date Title
FR333912A (en) Improvements to signal devices for railways
FR333945A (en) Improvements to signal devices for railways
FR333913A (en) Improvements to signal devices for railways
FR338805A (en) Improvements to signal devices for railways
FR332531A (en) Improvements to signal devices for railways
FR337433A (en) Improvements to signal devices for railways
FR330781A (en) Improvements to Railway Signals
FR333380A (en) Signal device for railway stations
FR329470A (en) Improvement in railway signals
FR336552A (en) Improvements to railway signals
FR347895A (en) Signals for railways
FR326338A (en) Improvements to electrical devices to give signals to railway engineers
FR341285A (en) Improvements to current central hydrodynamic devices, for points and railway signals
FR336853A (en) Control for lever devices applicable in particular to railway signals
FR327847A (en) Improvements to electrical signals for railways
FR377305A (en) Signal device for railways
FR377252A (en) Signal device for railways
FR378321A (en) Signal device for railways
FR374000A (en) Signal device for railway blocks
FR407454A (en) Signal device for railways
FR366899A (en) Control device for railway signals
FR407431A (en) Automatic signal device for railways
FR327318A (en) Signal transmitting device for railways
FR335484A (en) Improvements to compressed fluid devices to actuate signals, points and other accessory devices for railways
CH29373A (en) Signal transmission installation for electric railways