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GB1384987A - Separate drawing instrument for geometric and engineering drawing - Google Patents

Separate drawing instrument for geometric and engineering drawing

Info

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
Application number
GB2467573A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boocock E S
Original Assignee
Boocock E S
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Boocock E S filed Critical Boocock E S
Priority to GB2467573A priority Critical patent/GB1384987A/en
Publication of GB1384987A publication Critical patent/GB1384987A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Knives (AREA)

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.
GB2467573A 1973-05-23 1973-05-23 Separate drawing instrument for geometric and engineering drawing Expired GB1384987A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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