GB337570A - Improvements in combined drawing board and tee square for geometrical drawing - Google Patents

Improvements in combined drawing board and tee square for geometrical drawing

Info

Publication number
GB337570A
GB337570A GB3097629A GB3097629A GB337570A GB 337570 A GB337570 A GB 337570A GB 3097629 A GB3097629 A GB 3097629A GB 3097629 A GB3097629 A GB 3097629A GB 337570 A GB337570 A GB 337570A
Authority
GB
United Kingdom
Prior art keywords
drawing board
tee
geometrical
combined
square
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
GB3097629A
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 GB3097629A priority Critical patent/GB337570A/en
Publication of GB337570A publication Critical patent/GB337570A/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
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/04—Guides for rulers
    • B43L13/048—Guides for rulers with T-squares

Landscapes

  • Steps, Ramps, And Handrails (AREA)

Abstract

337,570. Tallack, H. T. Oct. 12, 1929. Tee-squares. - A teesquare for use in combination with a drawing board is provided with a cam G operated by a lever F, mounted through the blade E and working in a deep, narrow groove formed in the drawing board A by securing thereto a T-shaped metal edge B and cutting away part of the wood above the web of the metal. The tee-square may be clamped in any desired position by operating the lever F so that the metal edge B is gripped between the cam G and the stock D of the teesquare. Specifications 15023/95 and 6167/05 are referred to.
GB3097629A 1929-10-12 1929-10-12 Improvements in combined drawing board and tee square for geometrical drawing Expired GB337570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3097629A GB337570A (en) 1929-10-12 1929-10-12 Improvements in combined drawing board and tee square for geometrical drawing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3097629A GB337570A (en) 1929-10-12 1929-10-12 Improvements in combined drawing board and tee square for geometrical drawing

Publications (1)

Publication Number Publication Date
GB337570A true GB337570A (en) 1930-11-06

Family

ID=10316028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3097629A Expired GB337570A (en) 1929-10-12 1929-10-12 Improvements in combined drawing board and tee square for geometrical drawing

Country Status (1)

Country Link
GB (1) GB337570A (en)

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