FR913155A - Projector training - Google Patents

Projector training

Info

Publication number
FR913155A
FR913155A FR913155DA FR913155A FR 913155 A FR913155 A FR 913155A FR 913155D A FR913155D A FR 913155DA FR 913155 A FR913155 A FR 913155A
Authority
FR
France
Prior art keywords
projector
training
projector training
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)
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.)
STELMAR Ltd
Original Assignee
STELMAR 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 STELMAR Ltd filed Critical STELMAR Ltd
Application granted granted Critical
Publication of FR913155A publication Critical patent/FR913155A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR913155D 1939-05-17 1940-05-16 Projector training Expired FR913155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB913155X 1939-05-17

Publications (1)

Publication Number Publication Date
FR913155A true FR913155A (en) 1946-08-30

Family

ID=10707013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913155D Expired FR913155A (en) 1939-05-17 1940-05-16 Projector training

Country Status (1)

Country Link
FR (1) FR913155A (en)

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