FR10668E - Firecracker apparatus for railway tracks - Google Patents
Firecracker apparatus for railway tracksInfo
- Publication number
- FR10668E FR10668E FR10668DA FR10668E FR 10668 E FR10668 E FR 10668E FR 10668D A FR10668D A FR 10668DA FR 10668 E FR10668 E FR 10668E
- Authority
- FR
- France
- Prior art keywords
- firecracker
- railway tracks
- railway
- tracks
- firecracker apparatus
- 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
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/20—Audible signals, e.g. detonator audible signalling
- B61L5/22—Devices for initiating the release of detonators in a certain position of a signal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR377348T | 1907-05-02 | ||
FR10668T | 1909-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR10668E true FR10668E (en) | 1909-08-25 |
Family
ID=1353072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR10668D Expired FR10668E (en) | 1907-05-02 | 1909-03-15 | Firecracker apparatus for railway tracks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR10668E (en) |
-
1909
- 1909-03-15 FR FR10668D patent/FR10668E/en not_active Expired
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