GB1447226A - Drawing or painting aids - Google Patents

Drawing or painting aids

Info

Publication number
GB1447226A
GB1447226A GB4202372A GB4202372A GB1447226A GB 1447226 A GB1447226 A GB 1447226A GB 4202372 A GB4202372 A GB 4202372A GB 4202372 A GB4202372 A GB 4202372A GB 1447226 A GB1447226 A GB 1447226A
Authority
GB
United Kingdom
Prior art keywords
sept
transparent panel
painting
aids
painting aids
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
GB4202372A
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.)
Hart C W
Original Assignee
Hart C W
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 Hart C W filed Critical Hart C W
Priority to GB4202372A priority Critical patent/GB1447226A/en
Publication of GB1447226A publication Critical patent/GB1447226A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

1447226 Optical apparatus C W HART 11 Sept 1973 [11 Sept 1972] 42023/72 Heading G2J A camera lucida comprises a viewing window with transparent panel 8, a transparent panel 9 and a mirror 11. The device is also fitted with a chin rest 5 and a lug 10 adapted to receive a supporting rod.
GB4202372A 1972-09-11 1972-09-11 Drawing or painting aids Expired GB1447226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4202372A GB1447226A (en) 1972-09-11 1972-09-11 Drawing or painting aids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4202372A GB1447226A (en) 1972-09-11 1972-09-11 Drawing or painting aids

Publications (1)

Publication Number Publication Date
GB1447226A true GB1447226A (en) 1976-08-25

Family

ID=10422482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4202372A Expired GB1447226A (en) 1972-09-11 1972-09-11 Drawing or painting aids

Country Status (1)

Country Link
GB (1) GB1447226A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107527533A (en) * 2017-09-08 2017-12-29 北京航空航天大学 A kind of drawing servicing unit based on optical imagery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107527533A (en) * 2017-09-08 2017-12-29 北京航空航天大学 A kind of drawing servicing unit based on optical imagery

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee