GB561817A - Improvements in compasses and the like - Google Patents
Improvements in compasses and the likeInfo
- 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
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.
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)
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 |
-
1943
- 1943-01-07 GB GB34643A patent/GB561817A/en not_active Expired
Cited By (3)
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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