FR405006A - Firecracker crushers for railway signals - Google Patents

Firecracker crushers for railway signals

Info

Publication number
FR405006A
FR405006A FR405006DA FR405006A FR 405006 A FR405006 A FR 405006A FR 405006D A FR405006D A FR 405006DA FR 405006 A FR405006 A FR 405006A
Authority
FR
France
Prior art keywords
firecracker
crushers
railway signals
railway
signals
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
Theodore-Francois Demeyer
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.)
THEODORE FRANCOIS DEMEYER
Original Assignee
THEODORE FRANCOIS DEMEYER
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 THEODORE FRANCOIS DEMEYER filed Critical THEODORE FRANCOIS DEMEYER
Application granted granted Critical
Publication of FR405006A publication Critical patent/FR405006A/en
Expired legal-status Critical Current

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
    • B61L5/203—Detonators; Track mounting means; Composition of the detonative product

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR405006D 1909-07-12 1909-07-12 Firecracker crushers for railway signals Expired FR405006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR405006T 1909-07-12

Publications (1)

Publication Number Publication Date
FR405006A true FR405006A (en) 1909-12-17

Family

ID=1449523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR405006D Expired FR405006A (en) 1909-07-12 1909-07-12 Firecracker crushers for railway signals

Country Status (1)

Country Link
FR (1) FR405006A (en)

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