GB191326648A - Spectacles for Observing Sources of Radiation. - Google Patents

Spectacles for Observing Sources of Radiation.

Info

Publication number
GB191326648A
GB191326648A GB191326648DA GB191326648A GB 191326648 A GB191326648 A GB 191326648A GB 191326648D A GB191326648D A GB 191326648DA GB 191326648 A GB191326648 A GB 191326648A
Authority
GB
United Kingdom
Prior art keywords
spectacles
sources
radiation
observing
goggles
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
Inventor
Joseph George Clark
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 GB191326648A publication Critical patent/GB191326648A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot

Abstract

26,648. Clark, J. G. Nov. 20. Goggles.-Spectacles for use in viewing sources of intense radiation are provided with opaque diaphragms having-horizontal slits.
GB191326648D 1913-11-20 1913-11-20 Spectacles for Observing Sources of Radiation. Expired GB191326648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191326648T 1913-11-20

Publications (1)

Publication Number Publication Date
GB191326648A true GB191326648A (en) 1914-10-22

Family

ID=32580840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191326648D Expired GB191326648A (en) 1913-11-20 1913-11-20 Spectacles for Observing Sources of Radiation.

Country Status (1)

Country Link
GB (1) GB191326648A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989889A (en) * 1955-06-30 1961-06-27 Barr & Stroud Ltd Rangefinders and like optical instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989889A (en) * 1955-06-30 1961-06-27 Barr & Stroud Ltd Rangefinders and like optical instruments

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