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FR528815A - Improvements to devices for projecting views - Google Patents

Improvements to devices for projecting views

Info

Publication number
FR528815A
FR528815A FR528815A FR528815DA FR528815A FR 528815 A FR528815 A FR 528815A FR 528815 A FR528815 A FR 528815A FR 528815D A FR528815D A FR 528815DA FR 528815 A FR528815 A FR 528815A
Authority
FR
France
Prior art keywords
devices
projecting
views
projecting views
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
FR528815A
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.)
PETHERICK PATENT ADVERTISING S
Original Assignee
PETHERICK PATENT ADVERTISING S
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 PETHERICK PATENT ADVERTISING S filed Critical PETHERICK PATENT ADVERTISING S
Application granted granted Critical
Publication of FR528815A publication Critical patent/FR528815A/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor
    • G03B23/06—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor with rotary movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR528815A 1919-08-04 1920-12-18 Improvements to devices for projecting views Expired FR528815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ528815X 1919-08-04

Publications (1)

Publication Number Publication Date
FR528815A true FR528815A (en) 1921-11-19

Family

ID=19915903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528815A Expired FR528815A (en) 1919-08-04 1920-12-18 Improvements to devices for projecting views

Country Status (1)

Country Link
FR (1) FR528815A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047475B (en) * 1954-01-16 1958-12-24 Vorwerk & Co Elektrowerke Kg Automatic projector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047475B (en) * 1954-01-16 1958-12-24 Vorwerk & Co Elektrowerke Kg Automatic projector

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