FR426665A - Warning disc - Google Patents
Warning discInfo
- Publication number
- FR426665A FR426665A FR426665DA FR426665A FR 426665 A FR426665 A FR 426665A FR 426665D A FR426665D A FR 426665DA FR 426665 A FR426665 A FR 426665A
- Authority
- FR
- France
- Prior art keywords
- warning disc
- warning
- disc
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR426665T | 1911-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR426665A true FR426665A (en) | 1911-07-12 |
Family
ID=1469222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR426665D Expired FR426665A (en) | 1911-02-25 | 1911-02-25 | Warning disc |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR426665A (en) |
-
1911
- 1911-02-25 FR FR426665D patent/FR426665A/en not_active Expired
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