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FR381819A - Lanternes de projection pour annonces, dessins et opérations analogues - Google Patents

Lanternes de projection pour annonces, dessins et opérations analogues

Info

Publication number
FR381819A
FR381819A FR381819DA FR381819A FR 381819 A FR381819 A FR 381819A FR 381819D A FR381819D A FR 381819DA FR 381819 A FR381819 A FR 381819A
Authority
FR
France
Prior art keywords
announcements
designs
lanterns
projection
projection lanterns
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
English (en)
Inventor
Harold Ingram
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 FR381819A publication Critical patent/FR381819A/fr
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
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/10—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
    • G03B23/105—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier disc carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR381819D 1907-08-07 1907-08-07 Lanternes de projection pour annonces, dessins et opérations analogues Expired FR381819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR381819T 1907-08-07

Publications (1)

Publication Number Publication Date
FR381819A true FR381819A (fr) 1908-01-22

Family

ID=1427943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR381819D Expired FR381819A (fr) 1907-08-07 1907-08-07 Lanternes de projection pour annonces, dessins et opérations analogues

Country Status (1)

Country Link
FR (1) FR381819A (fr)

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