GB228125A - Improvements in optical apparatus for educational purposes - Google Patents

Improvements in optical apparatus for educational purposes

Info

Publication number
GB228125A
GB228125A GB31162/24A GB3116224A GB228125A GB 228125 A GB228125 A GB 228125A GB 31162/24 A GB31162/24 A GB 31162/24A GB 3116224 A GB3116224 A GB 3116224A GB 228125 A GB228125 A GB 228125A
Authority
GB
United Kingdom
Prior art keywords
optical apparatus
beneath
lens
casing
educational purposes
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
GB31162/24A
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.)
EDWARD JAMES BIGNOLD
Original Assignee
EDWARD JAMES BIGNOLD
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 EDWARD JAMES BIGNOLD filed Critical EDWARD JAMES BIGNOLD
Publication of GB228125A publication Critical patent/GB228125A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/002—Magnifying glasses
    • G02B25/007—Magnifying glasses comprising other optical elements than lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Toys (AREA)
  • Instructional Devices (AREA)

Abstract

228,125. Bignold, E. J. Jan. 21, 1924, [Convention date]. Fittings, internal.-A number of small objects for nature study are mounted on a rotatable table or support 14 beneath a lens 15 which may be adjusted for focussing. The lens 15 and support 14 are mounted in a casing 10 beneath which is a magazine fitted with shelves 18 to receive additional mounts. Within the open portion 11 of the casing 10, mirrors 17 are arranged to reflect light upon the object under examination.
GB31162/24A 1924-01-21 1924-12-29 Improvements in optical apparatus for educational purposes Expired GB228125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU228125X 1924-01-21

Publications (1)

Publication Number Publication Date
GB228125A true GB228125A (en) 1925-03-05

Family

ID=3711966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31162/24A Expired GB228125A (en) 1924-01-21 1924-12-29 Improvements in optical apparatus for educational purposes

Country Status (1)

Country Link
GB (1) GB228125A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561604A (en) 1988-12-08 1996-10-01 Hallmark Cards, Incorporated Computer controlled system for vending personalized products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561604A (en) 1988-12-08 1996-10-01 Hallmark Cards, Incorporated Computer controlled system for vending personalized products

Similar Documents

Publication Publication Date Title
GB228125A (en) Improvements in optical apparatus for educational purposes
GB228354A (en) Improvements in magnifying lenses
GB315825A (en) Improvements in and relating to optical instruments for use in connection with the examination of the eye
GB638493A (en) Improvements in apparatus for observing objects on an enlarged scale
GB327547A (en) Improvements in or relating to illuminating apparatus for photographic and other purposes
GB407903A (en) Apparatus for examining the human eye
GB195519A (en) A stand for making the top of an incubator into a table
GB407155A (en) Improvements in electric lighting units
FR754750A (en) Device for illuminating microscopic objects in incident light
ES3581U (en) Multiple angle mirror with four moons arranged at reciprocal angles. (Machine-translation by Google Translate, not legally binding)
FR757773A (en) Fixing device for sockets in fixtures and portable lamps
ES47544U (en) Transparent mirror with infinite effect (Machine-translation by Google Translate, not legally binding)
CA307233A (en) Glass ornament illuminating device
CA297668A (en) Light reflecting device
GB393524A (en) Pocket optical instrument for testing organic liquids
CA329395A (en) Illuminating mirror
FR773181A (en) Projection system even in bright light
CA301092A (en) Optical means for locating sources of illumination
AU1333733A (en) Improvements in and connected with optical projection apparatus
CA323739A (en) Decorative illuminating device
CA329280A (en) Ultra violet light source
GB270791A (en) Light projecting apparatus
GB403325A (en) Improvements in and relating to advertising devices
CA298658A (en) Adjustable support for lamp sockets in light signals
FR775039A (en) Light transformation device