GB175492A - Improvements in kaleidoscopes - Google Patents

Improvements in kaleidoscopes

Info

Publication number
GB175492A
GB175492A GB3602220A GB3602220A GB175492A GB 175492 A GB175492 A GB 175492A GB 3602220 A GB3602220 A GB 3602220A GB 3602220 A GB3602220 A GB 3602220A GB 175492 A GB175492 A GB 175492A
Authority
GB
United Kingdom
Prior art keywords
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
GB3602220A
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.)
BERNARD SAXBY EVANS
Original Assignee
BERNARD SAXBY EVANS
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 BERNARD SAXBY EVANS filed Critical BERNARD SAXBY EVANS
Priority to GB3602220A priority Critical patent/GB175492A/en
Publication of GB175492A publication Critical patent/GB175492A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02Viewing or reading apparatus
    • G02B27/08Kaleidoscopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB3602220A 1920-12-23 1920-12-23 Improvements in kaleidoscopes Expired GB175492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3602220A GB175492A (en) 1920-12-23 1920-12-23 Improvements in kaleidoscopes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3602220A GB175492A (en) 1920-12-23 1920-12-23 Improvements in kaleidoscopes

Publications (1)

Publication Number Publication Date
GB175492A true GB175492A (en) 1922-02-23

Family

ID=10384094

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3602220A Expired GB175492A (en) 1920-12-23 1920-12-23 Improvements in kaleidoscopes

Country Status (1)

Country Link
GB (1) GB175492A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003683A1 (en) * 1984-12-21 1986-07-03 Concorde St. George Productions Pty. Ltd. Optical entertainment or amusement structure and device
US4725135A (en) * 1984-12-21 1988-02-16 Concorde St. George Productions Pty. Ltd. Optical entertainment of amusement structure and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003683A1 (en) * 1984-12-21 1986-07-03 Concorde St. George Productions Pty. Ltd. Optical entertainment or amusement structure and device
US4725135A (en) * 1984-12-21 1988-02-16 Concorde St. George Productions Pty. Ltd. Optical entertainment of amusement structure and device

Similar Documents

Publication Publication Date Title
GB173849A (en) Improvements in or relating to stereoscopic devices
GB175492A (en) Improvements in kaleidoscopes
GB165657A (en) Improvements in lenses
GB167948A (en) Improvements in posts
GB165541A (en) Improvements in or relating to stereoscopes
GB170205A (en) Improvements in goggles
AU1695220B (en) Improvements in flytraps
GB168071A (en) Improvements in stereogrammetric apparatus
AU15655B1 (en) Improvements in filters
GB158481A (en) Improvements in telescopes
GB157037A (en) Improvements in lenses
GB166362A (en) Improvements in eyeglasses
GB166344A (en) New means in colour-kinematography
GB173048A (en) Improvements in prismatic telescopes
AU1695220A (en) Improvements in flytraps
GB163977A (en) Improvements in or relating to microscopes
GB163832A (en) Improvements in retinoscopes
GB163104A (en) Improvements in double prismatic telescopes
GB156022A (en) Improvements in double telescopes
GB182130A (en) Improvements in lenses
GB186641A (en) Improvements in lenses
AU1427220B (en) Improvement in binder-files
GB170932A (en) Improvements in kinematograph cameras
AU1451020A (en) Improvements in carburetters
AU1179419A (en) Improvements in machineguns