GB170929A - Improvements in and relating to binoculars, field glasses and like optical apparatus - Google Patents

Improvements in and relating to binoculars, field glasses and like optical apparatus

Info

Publication number
GB170929A
GB170929A GB2256520A GB2256520A GB170929A GB 170929 A GB170929 A GB 170929A GB 2256520 A GB2256520 A GB 2256520A GB 2256520 A GB2256520 A GB 2256520A GB 170929 A GB170929 A GB 170929A
Authority
GB
United Kingdom
Prior art keywords
binoculars
relating
optical apparatus
field glasses
glasses
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
GB2256520A
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
Priority to GB2256520A priority Critical patent/GB170929A/en
Publication of GB170929A publication Critical patent/GB170929A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
GB2256520A 1920-07-29 1920-07-29 Improvements in and relating to binoculars, field glasses and like optical apparatus Expired GB170929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2256520A GB170929A (en) 1920-07-29 1920-07-29 Improvements in and relating to binoculars, field glasses and like optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2256520A GB170929A (en) 1920-07-29 1920-07-29 Improvements in and relating to binoculars, field glasses and like optical apparatus

Publications (1)

Publication Number Publication Date
GB170929A true GB170929A (en) 1921-10-31

Family

ID=10181472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2256520A Expired GB170929A (en) 1920-07-29 1920-07-29 Improvements in and relating to binoculars, field glasses and like optical apparatus

Country Status (1)

Country Link
GB (1) GB170929A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955702A (en) * 1988-12-19 1990-09-11 Masakazu Nakamura Fixed focus binocular with visual acuity compensating mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955702A (en) * 1988-12-19 1990-09-11 Masakazu Nakamura Fixed focus binocular with visual acuity compensating mechanism

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