GB191303920A - An Improved Combination Drawing Tool or Instrument. - Google Patents

An Improved Combination Drawing Tool or Instrument.

Info

Publication number
GB191303920A
GB191303920A GB191303920DA GB191303920A GB 191303920 A GB191303920 A GB 191303920A GB 191303920D A GB191303920D A GB 191303920DA GB 191303920 A GB191303920 A GB 191303920A
Authority
GB
United Kingdom
Prior art keywords
instrument
drawing tool
improved combination
combination drawing
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
Inventor
John Glen
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
Application granted granted Critical
Publication of GB191303920A publication Critical patent/GB191303920A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00Straightedges
    • B43L7/005Straightedges combined with other drawing aids

Abstract

3920. Glen, J. Feb. 15. Squares; protractors; rulers. - A. preferably transparent set-square a has a graduated ruler b secured to one of its edges by links c so that the device may be used as a set-square, measurement ruler, or parallel ruler. A protractor e is marked on the set-square and may be made with holes to allow any desired angle to be marked on the paper.
GB191303920D 1913-02-15 1913-02-15 An Improved Combination Drawing Tool or Instrument. Expired GB191303920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191303920T 1913-02-15

Publications (1)

Publication Number Publication Date
GB191303920A true GB191303920A (en) 1913-11-06

Family

ID=34358928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191303920D Expired GB191303920A (en) 1913-02-15 1913-02-15 An Improved Combination Drawing Tool or Instrument.

Country Status (1)

Country Link
GB (1) GB191303920A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111765A (en) * 1959-06-26 1963-11-26 Frank J Rodgers Drafting instrument
US4650669A (en) * 1985-07-30 1987-03-17 Miles Laboratories, Inc. Method to make effervescent calcium tablets and calcium tablets produced thereby

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111765A (en) * 1959-06-26 1963-11-26 Frank J Rodgers Drafting instrument
US4650669A (en) * 1985-07-30 1987-03-17 Miles Laboratories, Inc. Method to make effervescent calcium tablets and calcium tablets produced thereby

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