FR1140656A - Right angle control instrument - Google Patents

Right angle control instrument

Info

Publication number
FR1140656A
FR1140656A FR1140656DA FR1140656A FR 1140656 A FR1140656 A FR 1140656A FR 1140656D A FR1140656D A FR 1140656DA FR 1140656 A FR1140656 A FR 1140656A
Authority
FR
France
Prior art keywords
right angle
angle control
control instrument
instrument
control
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
Emile Lacroix
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 FR1140656A publication Critical patent/FR1140656A/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
    • G01B3/566—Squares

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1140656D 1956-01-28 1956-01-28 Right angle control instrument Expired FR1140656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1140656T 1956-01-28

Publications (1)

Publication Number Publication Date
FR1140656A true FR1140656A (en) 1957-08-05

Family

ID=9642217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140656D Expired FR1140656A (en) 1956-01-28 1956-01-28 Right angle control instrument

Country Status (1)

Country Link
FR (1) FR1140656A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045352A (en) * 1958-10-20 1962-07-24 Edward L Kimerer Apparatus for measuring the perpendicularity of a mortise or gain to a bolt hole
FR2428818A1 (en) * 1978-06-14 1980-01-11 Schmitt Francois Carpenter's tri-square mfr. - using base as one arm to which other arm is screwed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045352A (en) * 1958-10-20 1962-07-24 Edward L Kimerer Apparatus for measuring the perpendicularity of a mortise or gain to a bolt hole
FR2428818A1 (en) * 1978-06-14 1980-01-11 Schmitt Francois Carpenter's tri-square mfr. - using base as one arm to which other arm is screwed

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