FR418798A - Instrument for measuring vertical angles by means of a mirror attached to a pendulum - Google Patents

Instrument for measuring vertical angles by means of a mirror attached to a pendulum

Info

Publication number
FR418798A
FR418798A FR418798DA FR418798A FR 418798 A FR418798 A FR 418798A FR 418798D A FR418798D A FR 418798DA FR 418798 A FR418798 A FR 418798A
Authority
FR
France
Prior art keywords
pendulum
instrument
vertical angles
mirror attached
measuring vertical
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.)
ZEISS CARL SOC
Original Assignee
ZEISS CARL SOC
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 ZEISS CARL SOC filed Critical ZEISS CARL SOC
Application granted granted Critical
Publication of FR418798A publication Critical patent/FR418798A/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
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/02—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels involving automatic stabilisation of the line of sight

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR418798D 1909-08-14 1910-07-30 Instrument for measuring vertical angles by means of a mirror attached to a pendulum Expired FR418798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE418798X 1909-08-14

Publications (1)

Publication Number Publication Date
FR418798A true FR418798A (en) 1910-12-19

Family

ID=1462082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR418798D Expired FR418798A (en) 1909-08-14 1910-07-30 Instrument for measuring vertical angles by means of a mirror attached to a pendulum

Country Status (1)

Country Link
FR (1) FR418798A (en)

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