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
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
- B43L7/00—Straightedges
- B43L7/005—Straightedges 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.
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)
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 |
-
1913
- 1913-02-15 GB GB191303920D patent/GB191303920A/en not_active Expired
Cited By (2)
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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