FR770398A - Dromo-pétard à répétition - Google Patents

Dromo-pétard à répétition

Info

Publication number
FR770398A
FR770398A FR770398DA FR770398A FR 770398 A FR770398 A FR 770398A FR 770398D A FR770398D A FR 770398DA FR 770398 A FR770398 A FR 770398A
Authority
FR
France
Prior art keywords
dromo
firecracker
repeating
repeating dromo
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
English (en)
Inventor
Henri Ernest Andre Cousin
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 filed Critical
Application granted granted Critical
Publication of FR770398A publication Critical patent/FR770398A/fr
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
    • B61L5/22—Devices for initiating the release of detonators in a certain position of a signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR770398D 1934-03-19 1934-03-19 Dromo-pétard à répétition Expired FR770398A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR770398T 1934-03-19

Publications (1)

Publication Number Publication Date
FR770398A true FR770398A (fr) 1934-09-13

Family

ID=9186645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR770398D Expired FR770398A (fr) 1934-03-19 1934-03-19 Dromo-pétard à répétition

Country Status (1)

Country Link
FR (1) FR770398A (fr)

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