GB161214A - Improvements in or relating to telescopes and the like - Google Patents

Improvements in or relating to telescopes and the like

Info

Publication number
GB161214A
GB161214A GB2738719A GB2738719A GB161214A GB 161214 A GB161214 A GB 161214A GB 2738719 A GB2738719 A GB 2738719A GB 2738719 A GB2738719 A GB 2738719A GB 161214 A GB161214 A GB 161214A
Authority
GB
United Kingdom
Prior art keywords
telescopes
relating
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
GB2738719A
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 GB2738719A priority Critical patent/GB161214A/en
Publication of GB161214A publication Critical patent/GB161214A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB2738719A 1919-11-06 1919-11-06 Improvements in or relating to telescopes and the like Expired GB161214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2738719A GB161214A (en) 1919-11-06 1919-11-06 Improvements in or relating to telescopes and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2738719A GB161214A (en) 1919-11-06 1919-11-06 Improvements in or relating to telescopes and the like

Publications (1)

Publication Number Publication Date
GB161214A true GB161214A (en) 1921-04-06

Family

ID=10258762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2738719A Expired GB161214A (en) 1919-11-06 1919-11-06 Improvements in or relating to telescopes and the like

Country Status (1)

Country Link
GB (1) GB161214A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598468A (en) * 1970-02-02 1971-08-10 Donald M Perry Optical system with tilted concave mirror and astigmatism compensator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598468A (en) * 1970-02-02 1971-08-10 Donald M Perry Optical system with tilted concave mirror and astigmatism compensator

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