GB191422766A - Improvements in Telescopes. - Google Patents

Improvements in Telescopes.

Info

Publication number
GB191422766A
GB191422766A GB191422766DA GB191422766A GB 191422766 A GB191422766 A GB 191422766A GB 191422766D A GB191422766D A GB 191422766DA GB 191422766 A GB191422766 A GB 191422766A
Authority
GB
United Kingdom
Prior art keywords
telescopes
orecting
lenscs
hasselkus
cumbination
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
John Stuart
John William Hasselkus
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 GB191422766A publication Critical patent/GB191422766A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)

Abstract

22,766. Stuart, J., and Hasselkus, J. W. Nov. 19. Telescopes.-Relates to telescopes of the kind described in Specifications 4835/88 and 21,120/03, and consists in replacing the fixed-focus erecting lens by two lenses mounted so as to be movable relatively to each other and towards or away from the inverted image. The two orecting-lenscs 7, 8 are mounted in tubes 9, 10 having pins 14, 15 engaging helicoidal slots 12, 13 in a tube 11, iu which is mounted the eyepiece cumbination 5, 6.
GB191422766D 1914-11-19 1914-11-19 Improvements in Telescopes. Expired GB191422766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191422766T 1914-11-19

Publications (1)

Publication Number Publication Date
GB191422766A true GB191422766A (en) 1915-11-18

Family

ID=32672761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191422766D Expired GB191422766A (en) 1914-11-19 1914-11-19 Improvements in Telescopes.

Country Status (1)

Country Link
GB (1) GB191422766A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804802A (en) * 1952-11-07 1957-09-03 W & L E Gurley Erecting eyepiece affording variable magnification
US3058391A (en) * 1960-12-19 1962-10-16 Leupold & Stevens Instr Inc Variable power rifle scope
US3121134A (en) * 1960-12-05 1964-02-11 William R Weaver Variable power telescope sight
US3161716A (en) * 1962-02-19 1964-12-15 Redfield Gun Sight Company Variable power riflescope with tilting reticle and erector tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804802A (en) * 1952-11-07 1957-09-03 W & L E Gurley Erecting eyepiece affording variable magnification
US3121134A (en) * 1960-12-05 1964-02-11 William R Weaver Variable power telescope sight
US3058391A (en) * 1960-12-19 1962-10-16 Leupold & Stevens Instr Inc Variable power rifle scope
US3161716A (en) * 1962-02-19 1964-12-15 Redfield Gun Sight Company Variable power riflescope with tilting reticle and erector tube

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