FR326574A - Device to avoid railway accidents - Google Patents
Device to avoid railway accidentsInfo
- Publication number
- FR326574A FR326574A FR326574DA FR326574A FR 326574 A FR326574 A FR 326574A FR 326574D A FR326574D A FR 326574DA FR 326574 A FR326574 A FR 326574A
- Authority
- FR
- France
- Prior art keywords
- railway accidents
- avoid railway
- avoid
- accidents
- railway
- 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 |
---|---|---|---|
FR326574T | 1902-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR326574A true FR326574A (en) | 1903-05-30 |
Family
ID=1376645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR326574D Expired FR326574A (en) | 1902-11-21 | 1902-11-21 | Device to avoid railway accidents |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR326574A (en) |
-
1902
- 1902-11-21 FR FR326574D patent/FR326574A/en not_active Expired
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