FR620271A - Improvements to electric projectors - Google Patents

Improvements to electric projectors

Info

Publication number
FR620271A
FR620271A FR620271DA FR620271A FR 620271 A FR620271 A FR 620271A FR 620271D A FR620271D A FR 620271DA FR 620271 A FR620271 A FR 620271A
Authority
FR
France
Prior art keywords
projectors
electric
electric projectors
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
Stephen Grebel
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 FR620271A publication Critical patent/FR620271A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B45/00—Arrangements or adaptations of signalling or lighting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2201/00—Signalling devices
    • B63B2201/04—Illuminating
    • B63B2201/08—Electric light

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
FR620271D 1926-08-14 1926-08-14 Improvements to electric projectors Expired FR620271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR620271T 1926-08-14

Publications (1)

Publication Number Publication Date
FR620271A true FR620271A (en) 1927-04-19

Family

ID=8984280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR620271D Expired FR620271A (en) 1926-08-14 1926-08-14 Improvements to electric projectors

Country Status (1)

Country Link
FR (1) FR620271A (en)

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