FR1078138A - Instrument for plotting and measuring angles - Google Patents

Instrument for plotting and measuring angles

Info

Publication number
FR1078138A
FR1078138A FR1078138DA FR1078138A FR 1078138 A FR1078138 A FR 1078138A FR 1078138D A FR1078138D A FR 1078138DA FR 1078138 A FR1078138 A FR 1078138A
Authority
FR
France
Prior art keywords
plotting
instrument
measuring angles
angles
measuring
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
Other languages
French (fr)
Inventor
Carl Herman Olof Carlbring
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 filed Critical
Application granted granted Critical
Publication of FR1078138A publication Critical patent/FR1078138A/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
    • 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
    • B43L7/10—Plural straightedges relatively movable
    • 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
    • B43L9/00—Circular curve-drawing or like instruments
    • 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
FR1078138D 1953-06-06 1953-06-06 Instrument for plotting and measuring angles Expired FR1078138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1078138T 1953-06-06

Publications (1)

Publication Number Publication Date
FR1078138A true FR1078138A (en) 1954-11-16

Family

ID=9608532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1078138D Expired FR1078138A (en) 1953-06-06 1953-06-06 Instrument for plotting and measuring angles

Country Status (1)

Country Link
FR (1) FR1078138A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596075A (en) * 1983-10-24 1986-06-24 Liu Bau Shen Vernier gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596075A (en) * 1983-10-24 1986-06-24 Liu Bau Shen Vernier gauge

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