FR416981A - Kaléidoscopes mécaniques - Google Patents

Kaléidoscopes mécaniques

Info

Publication number
FR416981A
FR416981A FR416981DA FR416981A FR 416981 A FR416981 A FR 416981A FR 416981D A FR416981D A FR 416981DA FR 416981 A FR416981 A FR 416981A
Authority
FR
France
Prior art keywords
kaleidoscopes
mechanical
mechanical kaleidoscopes
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
Sylvester Jenkins
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 FR416981A publication Critical patent/FR416981A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/08—Kaleidoscopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR416981D 1909-05-21 1910-05-20 Kaléidoscopes mécaniques Expired FR416981A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US416981XA 1909-05-21 1909-05-21

Publications (1)

Publication Number Publication Date
FR416981A true FR416981A (fr) 1910-11-03

Family

ID=1460428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR416981D Expired FR416981A (fr) 1909-05-21 1910-05-20 Kaléidoscopes mécaniques

Country Status (1)

Country Link
FR (1) FR416981A (fr)

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