FR559321A - Improvements to devices for kaleidoscopic projections - Google Patents

Improvements to devices for kaleidoscopic projections

Info

Publication number
FR559321A
FR559321A FR559321DA FR559321A FR 559321 A FR559321 A FR 559321A FR 559321D A FR559321D A FR 559321DA FR 559321 A FR559321 A FR 559321A
Authority
FR
France
Prior art keywords
kaleidoscopic
projections
devices
kaleidoscopic projections
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
French (fr)
Inventor
Julius Keller Junior
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 filed Critical
Application granted granted Critical
Publication of FR559321A publication Critical patent/FR559321A/en
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)
FR559321D 1922-12-01 1922-12-01 Improvements to devices for kaleidoscopic projections Expired FR559321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR559321T 1922-12-01

Publications (1)

Publication Number Publication Date
FR559321A true FR559321A (en) 1923-09-13

Family

ID=8942167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR559321D Expired FR559321A (en) 1922-12-01 1922-12-01 Improvements to devices for kaleidoscopic projections

Country Status (1)

Country Link
FR (1) FR559321A (en)

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