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GB2080738B - Drawing aid - Google Patents

Drawing aid

Info

Publication number
GB2080738B
GB2080738B GB8123134A GB8123134A GB2080738B GB 2080738 B GB2080738 B GB 2080738B GB 8123134 A GB8123134 A GB 8123134A GB 8123134 A GB8123134 A GB 8123134A GB 2080738 B GB2080738 B GB 2080738B
Authority
GB
United Kingdom
Prior art keywords
drawing aid
aid
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
GB8123134A
Other versions
GB2080738A (en
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.)
Open University
Original Assignee
Open University
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 Open University filed Critical Open University
Priority to GB8123134A priority Critical patent/GB2080738B/en
Publication of GB2080738A publication Critical patent/GB2080738A/en
Application granted granted Critical
Publication of GB2080738B publication Critical patent/GB2080738B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/14—Devices for drawing in perspective
    • B43L13/16—Devices for drawing in perspective free-hand
    • B43L13/18—Devices for drawing in perspective free-hand having optical or projecting equipment
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Geometry (AREA)
  • Business, Economics & Management (AREA)
  • Algebra (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
GB8123134A 1980-07-29 1981-07-27 Drawing aid Expired GB2080738B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8123134A GB2080738B (en) 1980-07-29 1981-07-27 Drawing aid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8024789 1980-07-29
GB8123134A GB2080738B (en) 1980-07-29 1981-07-27 Drawing aid

Publications (2)

Publication Number Publication Date
GB2080738A GB2080738A (en) 1982-02-10
GB2080738B true GB2080738B (en) 1984-05-31

Family

ID=26276381

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8123134A Expired GB2080738B (en) 1980-07-29 1981-07-27 Drawing aid

Country Status (1)

Country Link
GB (1) GB2080738B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110202982B (en) * 2019-07-02 2023-12-08 常州轻工职业技术学院 Auxiliary drawing device for indoor design

Also Published As

Publication number Publication date
GB2080738A (en) 1982-02-10

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Legal Events

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