GB1384987A - Separate drawing instrument for geometric and engineering drawing - Google Patents
Separate drawing instrument for geometric and engineering drawingInfo
- Publication number
- GB1384987A GB1384987A GB2467573A GB2467573A GB1384987A GB 1384987 A GB1384987 A GB 1384987A GB 2467573 A GB2467573 A GB 2467573A GB 2467573 A GB2467573 A GB 2467573A GB 1384987 A GB1384987 A GB 1384987A
- Authority
- GB
- United Kingdom
- Prior art keywords
- geometric
- separate
- engineering
- instrument
- blade
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
- G01B3/563—Protractors
Abstract
1384987 Protractors E S BOOCOCK 23 May 1973 24675/73 Heading G1X A protractor comprises a blade a pivotally mounted at pivot f on an elongate member having a straight edge b, so as to enable the blade a to be lockingly set at any desired angle to the edge b. A mark k indicates on scale j the set angle, the locking being effected by a screw device g.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2467573A GB1384987A (en) | 1973-05-23 | 1973-05-23 | Separate drawing instrument for geometric and engineering drawing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2467573A GB1384987A (en) | 1973-05-23 | 1973-05-23 | Separate drawing instrument for geometric and engineering drawing |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1384987A true GB1384987A (en) | 1975-02-26 |
Family
ID=10215507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2467573A Expired GB1384987A (en) | 1973-05-23 | 1973-05-23 | Separate drawing instrument for geometric and engineering drawing |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1384987A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2153038A (en) * | 1984-01-13 | 1985-08-14 | Edmond Joseph Desmond | A cleat for connecting structural members |
FR2576947A1 (en) * | 1985-02-07 | 1986-08-08 | Stanley Works | CARPENTER BRACKET PROVIDED WITH IMPROVED MEANS FOR PERFORMING OBLIQUE CUTTINGS |
GB2207518A (en) * | 1987-07-23 | 1989-02-01 | James Walter Sydney Bick | Protractor device |
FR2804505A1 (en) * | 2000-01-28 | 2001-08-03 | Georges Ferrari | Angle gauge has graduated circle is accurate large enough for many uses |
-
1973
- 1973-05-23 GB GB2467573A patent/GB1384987A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2153038A (en) * | 1984-01-13 | 1985-08-14 | Edmond Joseph Desmond | A cleat for connecting structural members |
FR2576947A1 (en) * | 1985-02-07 | 1986-08-08 | Stanley Works | CARPENTER BRACKET PROVIDED WITH IMPROVED MEANS FOR PERFORMING OBLIQUE CUTTINGS |
GB2207518A (en) * | 1987-07-23 | 1989-02-01 | James Walter Sydney Bick | Protractor device |
FR2804505A1 (en) * | 2000-01-28 | 2001-08-03 | Georges Ferrari | Angle gauge has graduated circle is accurate large enough for many uses |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |