FR432660A - New vernier scale system for geodesic instruments, allowing angles to be read with the naked eye with any approximation - Google Patents

New vernier scale system for geodesic instruments, allowing angles to be read with the naked eye with any approximation

Info

Publication number
FR432660A
FR432660A FR432660DA FR432660A FR 432660 A FR432660 A FR 432660A FR 432660D A FR432660D A FR 432660DA FR 432660 A FR432660 A FR 432660A
Authority
FR
France
Prior art keywords
approximation
read
naked eye
scale system
vernier scale
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
Jean Michel Kauffmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR432660A publication Critical patent/FR432660A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G01C1/06—Arrangements for reading scales

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR432660D 1911-07-26 1911-07-26 New vernier scale system for geodesic instruments, allowing angles to be read with the naked eye with any approximation Expired FR432660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR432660T 1911-07-26

Publications (1)

Publication Number Publication Date
FR432660A true FR432660A (en) 1911-12-12

Family

ID=1474721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR432660D Expired FR432660A (en) 1911-07-26 1911-07-26 New vernier scale system for geodesic instruments, allowing angles to be read with the naked eye with any approximation

Country Status (1)

Country Link
FR (1) FR432660A (en)

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