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FR969853A - Improvements to graduations or verniers of instruments - Google Patents

Improvements to graduations or verniers of instruments

Info

Publication number
FR969853A
FR969853A FR969853DA FR969853A FR 969853 A FR969853 A FR 969853A FR 969853D A FR969853D A FR 969853DA FR 969853 A FR969853 A FR 969853A
Authority
FR
France
Prior art keywords
verniers
graduations
instruments
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)
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.)
Hughes Henry and Son Ltd
Original Assignee
Hughes Henry and Son Ltd
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 Hughes Henry and Son Ltd filed Critical Hughes Henry and Son Ltd
Application granted granted Critical
Publication of FR969853A publication Critical patent/FR969853A/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
    • G01B3/002—Details
    • G01B3/004—Scales; Graduations
    • G01B3/006—Scales; Graduations having both coarse and fine graduation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR969853D 1947-08-08 1948-08-04 Improvements to graduations or verniers of instruments Expired FR969853A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB969853X 1947-08-08

Publications (1)

Publication Number Publication Date
FR969853A true FR969853A (en) 1950-12-27

Family

ID=10805472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969853D Expired FR969853A (en) 1947-08-08 1948-08-04 Improvements to graduations or verniers of instruments

Country Status (1)

Country Link
FR (1) FR969853A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514180A (en) * 1967-03-11 1970-05-26 Leitz Ernst Gmbh Device for simultaneously viewing the object and coordinates of the object plane in microscopes and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514180A (en) * 1967-03-11 1970-05-26 Leitz Ernst Gmbh Device for simultaneously viewing the object and coordinates of the object plane in microscopes and the like

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