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GB561817A - Improvements in compasses and the like - Google Patents

Improvements in compasses and the like

Info

Publication number
GB561817A
GB561817A GB34643A GB34643A GB561817A GB 561817 A GB561817 A GB 561817A GB 34643 A GB34643 A GB 34643A GB 34643 A GB34643 A GB 34643A GB 561817 A GB561817 A GB 561817A
Authority
GB
United Kingdom
Prior art keywords
ruler
pencil
pen
clip
point
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
GB34643A
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 GB34643A priority Critical patent/GB561817A/en
Publication of GB561817A publication Critical patent/GB561817A/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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/007—Circular curve-drawing or like instruments with perforated or marked rulers

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

56 1, 81 7. Mathematical drawigappliances. BROADHURST, C. J. Jan. 7, 1943, No. 346. [Class 97 (iii)] A beam compass comprises a ruler having one or more apertures D through which the point of a pen or pencil may be passed and an adjustable centre point comprising ,a drawing pin C or like secured slidably to the ruler A by a clip B. Graduations may be marked on the ruler and the clip B is arranged to hold a pen or pencil.
GB34643A 1943-01-07 1943-01-07 Improvements in compasses and the like Expired GB561817A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB34643A GB561817A (en) 1943-01-07 1943-01-07 Improvements in compasses and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34643A GB561817A (en) 1943-01-07 1943-01-07 Improvements in compasses and the like

Publications (1)

Publication Number Publication Date
GB561817A true GB561817A (en) 1944-06-06

Family

ID=9702773

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34643A Expired GB561817A (en) 1943-01-07 1943-01-07 Improvements in compasses and the like

Country Status (1)

Country Link
GB (1) GB561817A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996804A (en) * 1957-08-06 1961-08-22 Burton W Hancox Apparatus for drawing ellipses
US3495334A (en) * 1968-05-10 1970-02-17 Kazuko Yamamoto Handy curve-drawing device
US4484394A (en) * 1983-01-14 1984-11-27 Hsia Chih Yu Curve length measure means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996804A (en) * 1957-08-06 1961-08-22 Burton W Hancox Apparatus for drawing ellipses
US3495334A (en) * 1968-05-10 1970-02-17 Kazuko Yamamoto Handy curve-drawing device
US4484394A (en) * 1983-01-14 1984-11-27 Hsia Chih Yu Curve length measure means

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