GB162692A - Improvements in variable power telescopes - Google Patents

Improvements in variable power telescopes

Info

Publication number
GB162692A
GB162692A GB2608519A GB2608519A GB162692A GB 162692 A GB162692 A GB 162692A GB 2608519 A GB2608519 A GB 2608519A GB 2608519 A GB2608519 A GB 2608519A GB 162692 A GB162692 A GB 162692A
Authority
GB
United Kingdom
Prior art keywords
variable power
telescopes
power telescopes
variable
power
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
GB2608519A
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 GB2608519A priority Critical patent/GB162692A/en
Publication of GB162692A publication Critical patent/GB162692A/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)
GB2608519A 1919-10-24 1919-10-24 Improvements in variable power telescopes Expired GB162692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2608519A GB162692A (en) 1919-10-24 1919-10-24 Improvements in variable power telescopes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2608519A GB162692A (en) 1919-10-24 1919-10-24 Improvements in variable power telescopes

Publications (1)

Publication Number Publication Date
GB162692A true GB162692A (en) 1921-04-25

Family

ID=10238102

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2608519A Expired GB162692A (en) 1919-10-24 1919-10-24 Improvements in variable power telescopes

Country Status (1)

Country Link
GB (1) GB162692A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489578A (en) * 1944-12-16 1949-11-29 Keuffel & Esser Co Telescope with achromatic eye lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489578A (en) * 1944-12-16 1949-11-29 Keuffel & Esser Co Telescope with achromatic eye lens

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