GB131636A - - Google Patents

Info

Publication number
GB131636A
GB131636A GB131636DA GB131636A GB 131636 A GB131636 A GB 131636A GB 131636D A GB131636D A GB 131636DA GB 131636 A GB131636 A GB 131636A
Authority
GB
United Kingdom
Prior art keywords
tube
telescope
eyepiece
axis
cranked
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB131636A publication Critical patent/GB131636A/en
Active 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/26—Peepholes; Windows; Loopholes
    • F41H5/266—Periscopes for fighting or armoured vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Telescopes (AREA)
GB131636D 1918-02-20 Active GB131636A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR504174T 1918-02-20

Publications (1)

Publication Number Publication Date
GB131636A true GB131636A (enrdf_load_stackoverflow)

Family

ID=8907606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB131636D Active GB131636A (enrdf_load_stackoverflow) 1918-02-20

Country Status (2)

Country Link
FR (1) FR504174A (enrdf_load_stackoverflow)
GB (1) GB131636A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR504174A (fr) 1920-06-26

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