GB171028A - Optical prism for the marking out of right angles - Google Patents

Optical prism for the marking out of right angles

Info

Publication number
GB171028A
GB171028A GB2937120A GB2937120A GB171028A GB 171028 A GB171028 A GB 171028A GB 2937120 A GB2937120 A GB 2937120A GB 2937120 A GB2937120 A GB 2937120A GB 171028 A GB171028 A GB 171028A
Authority
GB
United Kingdom
Prior art keywords
right angles
optical prism
marking out
marking
prism
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
GB2937120A
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 GB2937120A priority Critical patent/GB171028A/en
Publication of GB171028A publication Critical patent/GB171028A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB2937120A 1920-10-18 1920-10-18 Optical prism for the marking out of right angles Expired GB171028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2937120A GB171028A (en) 1920-10-18 1920-10-18 Optical prism for the marking out of right angles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2937120A GB171028A (en) 1920-10-18 1920-10-18 Optical prism for the marking out of right angles

Publications (1)

Publication Number Publication Date
GB171028A true GB171028A (en) 1921-11-10

Family

ID=10290464

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2937120A Expired GB171028A (en) 1920-10-18 1920-10-18 Optical prism for the marking out of right angles

Country Status (1)

Country Link
GB (1) GB171028A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521872A (en) * 1948-06-23 1950-09-12 Karl B Radewald Reflecting multiple sight line orientation instrument
US6210009B1 (en) * 1996-03-14 2001-04-03 John Daly Non-inverting inspection mirror

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521872A (en) * 1948-06-23 1950-09-12 Karl B Radewald Reflecting multiple sight line orientation instrument
US6210009B1 (en) * 1996-03-14 2001-04-03 John Daly Non-inverting inspection mirror

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