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FR524801A - Device for projecting and enlarging images - Google Patents

Device for projecting and enlarging images

Info

Publication number
FR524801A
FR524801A FR524801A FR524801DA FR524801A FR 524801 A FR524801 A FR 524801A FR 524801 A FR524801 A FR 524801A FR 524801D A FR524801D A FR 524801DA FR 524801 A FR524801 A FR 524801A
Authority
FR
France
Prior art keywords
projecting
enlarging images
enlarging
images
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
FR524801A
Other languages
French (fr)
Inventor
Anton Konieczny
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR524801A publication Critical patent/FR524801A/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)
FR524801A 1914-07-31 1915-07-29 Device for projecting and enlarging images Expired FR524801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT524801X 1914-07-31

Publications (1)

Publication Number Publication Date
FR524801A true FR524801A (en) 1921-09-10

Family

ID=3675965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524801A Expired FR524801A (en) 1914-07-31 1915-07-29 Device for projecting and enlarging images

Country Status (1)

Country Link
FR (1) FR524801A (en)

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