GB189806243A - An Improved Combined Square and Protractor. - Google Patents
An Improved Combined Square and Protractor.Info
- Publication number
- GB189806243A GB189806243A GB189806243DA GB189806243A GB 189806243 A GB189806243 A GB 189806243A GB 189806243D A GB189806243D A GB 189806243DA GB 189806243 A GB189806243 A GB 189806243A
- Authority
- GB
- United Kingdom
- Prior art keywords
- protractor
- improved combined
- combined square
- instrument
- head
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
- Knives (AREA)
Abstract
6243. Rooney, J. A. March 14. Squares; protractors.- A protractor B is fixed to a head A which is made i two disconnectible parts. When the instrument is used as a protractor, the lower part is removed so that the instrument can lie flat on the paper. A graduated blade C is hinged to the head by a hollow pivot c, and can be clamped at D at any required angle. The blade may have one edge radial, or it may be slotted and one edge of the slot may be radial.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB189806243T | 1898-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB189806243A true GB189806243A (en) | 1899-02-04 |
Family
ID=32139566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB189806243D Expired GB189806243A (en) | 1898-03-14 | 1898-03-14 | An Improved Combined Square and Protractor. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB189806243A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4244119A (en) * | 1979-03-27 | 1981-01-13 | Henri Klok | Protractable straight-edge with vise |
-
1898
- 1898-03-14 GB GB189806243D patent/GB189806243A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4244119A (en) * | 1979-03-27 | 1981-01-13 | Henri Klok | Protractable straight-edge with vise |
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