[go: up one dir, main page]

ZA742820B - A viewing device - Google Patents

A viewing device

Info

Publication number
ZA742820B
ZA742820B ZA00742820A ZA742820A ZA742820B ZA 742820 B ZA742820 B ZA 742820B ZA 00742820 A ZA00742820 A ZA 00742820A ZA 742820 A ZA742820 A ZA 742820A ZA 742820 B ZA742820 B ZA 742820B
Authority
ZA
South Africa
Prior art keywords
viewing device
viewing
Prior art date
Application number
ZA00742820A
Inventor
D Benn
Original Assignee
D Benn
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 D Benn filed Critical D Benn
Publication of ZA742820B publication Critical patent/ZA742820B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/002—Magnifying glasses
    • 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
    • G02B27/04—Viewing or reading apparatus having collapsible parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
ZA00742820A 1973-05-29 1974-05-03 A viewing device ZA742820B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2558973A GB1426921A (en) 1973-05-29 1973-05-29 Viewing device

Publications (1)

Publication Number Publication Date
ZA742820B true ZA742820B (en) 1975-08-27

Family

ID=10230128

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00742820A ZA742820B (en) 1973-05-29 1974-05-03 A viewing device

Country Status (2)

Country Link
GB (1) GB1426921A (en)
ZA (1) ZA742820B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130390A (en) * 1982-10-05 1984-05-31 Clover Veronica Viewer device

Also Published As

Publication number Publication date
GB1426921A (en) 1976-03-03

Similar Documents

Publication Publication Date Title
ZA74902B (en) Display device
AU6575774A (en) Coupling device
HK57977A (en) Charging device
ZA731899B (en) A viewing rack
IL50884A0 (en) Optical device
ZA745153B (en) Shutoff device
GB1439943A (en) Display devices
AU7166874A (en) Feeding device
ZA744940B (en) Picture display device
ZA74323B (en) A display stand
IL43049A0 (en) A switching device
AU6655574A (en) Picture display device
AU6467374A (en) Holding device
PH12810A (en) Dispensing device
GB1437828A (en) Agitotor device
ZA744330B (en) Vehicle-actuated device
ZA747925B (en) A reflection device
IE38919L (en) Connecting device
ZA741047B (en) An animation device
ZA751876B (en) Dispensing device
ZA742820B (en) A viewing device
AU7171074A (en) Display devices
IE38991L (en) Display device
AU7121074A (en) Depression-compensating device
GB1439944A (en) Display devices