GB191214881A - Improvements in Sighting Attachments for Guns. - Google Patents

Improvements in Sighting Attachments for Guns.

Info

Publication number
GB191214881A
GB191214881A GB191214881DA GB191214881A GB 191214881 A GB191214881 A GB 191214881A GB 191214881D A GB191214881D A GB 191214881DA GB 191214881 A GB191214881 A GB 191214881A
Authority
GB
United Kingdom
Prior art keywords
prisms
sights
deviation
ray
rotated
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 Elsden Martin
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 GB191214881A publication Critical patent/GB191214881A/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
    • G02B23/14—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)

Abstract

14,881. Martin, J. E. June 26. Sights.-Relates to gun sights of the kind described in Specification 14,797/11, in which deviation of the sigbting- ray, for range and windage adjustment, is caused by movement of a lens or refracting-prism. According to this invention, the deviation of the ray is caused by one or two pairs of thin prisms, the prisms of each pair being rotated about a longitudinal axis equally in opposite directions. In Fig. 1 a pair of prisms is shown in the normal position, and in Fig. 2 they are shown after having been rotated in opposite directions to a position giving the greatest deviation. In the apparatus shown in Fig. 5, two sets of prisms, one for range and one for windage, are mounted in a tubular frame a and are adapted to be adjusted by milled heads'C, D. The prisms may be used in conjunction with the usual back and fore sights, or with a telescope sight or other combination of lenses.
GB191214881D 1912-06-26 1912-06-26 Improvements in Sighting Attachments for Guns. Expired GB191214881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191214881T 1912-06-26

Publications (1)

Publication Number Publication Date
GB191214881A true GB191214881A (en) 1913-06-05

Family

ID=32641699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191214881D Expired GB191214881A (en) 1912-06-26 1912-06-26 Improvements in Sighting Attachments for Guns.

Country Status (1)

Country Link
GB (1) GB191214881A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458831A (en) * 1945-07-09 1949-01-11 Willoughby M Cady Optical gun sight with horizontal and vertical deflection adjustments
US2534946A (en) * 1947-09-18 1950-12-19 Gene T Bradley Bow sight
US2574712A (en) * 1947-10-31 1951-11-13 Rca Corp Optical adjusting microscope
EP1000309A1 (en) * 1997-07-28 2000-05-17 Litton Systems, Inc. Multi-function day/night observation, ranging, and sighting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458831A (en) * 1945-07-09 1949-01-11 Willoughby M Cady Optical gun sight with horizontal and vertical deflection adjustments
US2534946A (en) * 1947-09-18 1950-12-19 Gene T Bradley Bow sight
US2574712A (en) * 1947-10-31 1951-11-13 Rca Corp Optical adjusting microscope
EP1000309A1 (en) * 1997-07-28 2000-05-17 Litton Systems, Inc. Multi-function day/night observation, ranging, and sighting device
EP1000309A4 (en) * 1997-07-28 2006-04-26 Litton Systems Inc Multi-function day/night observation, ranging, and sighting device

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