FR407431A - Automatic signal device for railways - Google Patents
Automatic signal device for railwaysInfo
- Publication number
- FR407431A FR407431A FR407431DA FR407431A FR 407431 A FR407431 A FR 407431A FR 407431D A FR407431D A FR 407431DA FR 407431 A FR407431 A FR 407431A
- Authority
- FR
- France
- Prior art keywords
- railways
- signal device
- automatic signal
- automatic
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR407431T | 1909-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR407431A true FR407431A (en) | 1910-02-28 |
Family
ID=1451736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR407431D Expired FR407431A (en) | 1909-09-28 | 1909-09-28 | Automatic signal device for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR407431A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3357676A (en) * | 1964-08-31 | 1967-12-12 | Weston Instruments Inc | Actuating mechanism |
-
1909
- 1909-09-28 FR FR407431D patent/FR407431A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3357676A (en) * | 1964-08-31 | 1967-12-12 | Weston Instruments Inc | Actuating mechanism |
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