GB109674A - Improved Course-finder Protractor. - Google Patents
Improved Course-finder Protractor.Info
- Publication number
- GB109674A GB109674A GB1394516A GB1394516A GB109674A GB 109674 A GB109674 A GB 109674A GB 1394516 A GB1394516 A GB 1394516A GB 1394516 A GB1394516 A GB 1394516A GB 109674 A GB109674 A GB 109674A
- Authority
- GB
- United Kingdom
- Prior art keywords
- protractor
- edge
- straight
- finder
- improved course
- 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)
Abstract
109,674. Gillie, J. W. Sept. 30, 1916. Protractors; rulers. -For laying off courses, a circular protractor A is used in combination with a straight-edge B, the straight edge having a projecting portion C so disposed that the centre of the protractor lies over the edge of the straight-edge when its circumference touches the portion C. An arm D may be clamped to the protractor so that its end may guide the protractor along the straight-edge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1394516A GB109674A (en) | 1916-09-30 | 1916-09-30 | Improved Course-finder Protractor. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1394516A GB109674A (en) | 1916-09-30 | 1916-09-30 | Improved Course-finder Protractor. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB109674A true GB109674A (en) | 1917-09-27 |
Family
ID=32483607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1394516A Expired GB109674A (en) | 1916-09-30 | 1916-09-30 | Improved Course-finder Protractor. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB109674A (en) |
-
1916
- 1916-09-30 GB GB1394516A patent/GB109674A/en not_active Expired
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