FR382707A - Jouet d'optique - Google Patents

Jouet d'optique

Info

Publication number
FR382707A
FR382707A FR382707DA FR382707A FR 382707 A FR382707 A FR 382707A FR 382707D A FR382707D A FR 382707DA FR 382707 A FR382707 A FR 382707A
Authority
FR
France
Prior art keywords
optical toy
toy
optical
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
Emile Giraud
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 FR382707A publication Critical patent/FR382707A/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)
FR382707D 1907-10-09 1907-10-09 Jouet d'optique Expired FR382707A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR382707T 1907-10-09

Publications (1)

Publication Number Publication Date
FR382707A true FR382707A (fr) 1908-02-14

Family

ID=1428767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR382707D Expired FR382707A (fr) 1907-10-09 1907-10-09 Jouet d'optique

Country Status (1)

Country Link
FR (1) FR382707A (fr)

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