GB159749A - Improvements relating to railway fog signals - Google Patents

Improvements relating to railway fog signals

Info

Publication number
GB159749A
GB159749A GB295020A GB295020A GB159749A GB 159749 A GB159749 A GB 159749A GB 295020 A GB295020 A GB 295020A GB 295020 A GB295020 A GB 295020A GB 159749 A GB159749 A GB 159749A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
charge
railway
fog signals
caps
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
GB295020A
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.)
EDGAR THOMAS BLACKWELL
Imperial Metal Industries Kynoch Ltd
Original Assignee
EDGAR THOMAS BLACKWELL
Kynoch Ltd
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 EDGAR THOMAS BLACKWELL, Kynoch Ltd filed Critical EDGAR THOMAS BLACKWELL
Priority to GB295020A priority Critical patent/GB159749A/en
Publication of GB159749A publication Critical patent/GB159749A/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)
  • Tents Or Canopies (AREA)

Abstract

159,749. Blackwell, E. T., and Kynoch, Ltd. Jan. 30, 1920. Pyrotechnic apparatus.-An inner cover c of a detonating cartridge is made in part, or wholly, of transparent material to permit inspection of the charge and percussion caps b before the cover e carrying fixing strips g is attached. In one form, the charge and caps b may be placed in position through a central hole in the inner cover c after the latter has been fixed, the hole being after. wards covered by a window d.
GB295020A 1920-01-30 1920-01-30 Improvements relating to railway fog signals Expired GB159749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB295020A GB159749A (en) 1920-01-30 1920-01-30 Improvements relating to railway fog signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB295020A GB159749A (en) 1920-01-30 1920-01-30 Improvements relating to railway fog signals

Publications (1)

Publication Number Publication Date
GB159749A true GB159749A (en) 1921-03-10

Family

ID=9749094

Family Applications (1)

Application Number Title Priority Date Filing Date
GB295020A Expired GB159749A (en) 1920-01-30 1920-01-30 Improvements relating to railway fog signals

Country Status (1)

Country Link
GB (1) GB159749A (en)

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