FR490907A - Improvements in leveling and measuring instruments with ruler - Google Patents

Improvements in leveling and measuring instruments with ruler

Info

Publication number
FR490907A
FR490907A FR490907DA FR490907A FR 490907 A FR490907 A FR 490907A FR 490907D A FR490907D A FR 490907DA FR 490907 A FR490907 A FR 490907A
Authority
FR
France
Prior art keywords
ruler
leveling
measuring instruments
instruments
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
Theodore Stlart Delay
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.)
THEODORE STLART DELAY
Original Assignee
THEODORE STLART DELAY
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 THEODORE STLART DELAY filed Critical THEODORE STLART DELAY
Application granted granted Critical
Publication of FR490907A publication Critical patent/FR490907A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR490907D 1918-07-20 1918-07-20 Improvements in leveling and measuring instruments with ruler Expired FR490907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR490907T 1918-07-20

Publications (1)

Publication Number Publication Date
FR490907A true FR490907A (en) 1919-05-15

Family

ID=1526979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490907D Expired FR490907A (en) 1918-07-20 1918-07-20 Improvements in leveling and measuring instruments with ruler

Country Status (1)

Country Link
FR (1) FR490907A (en)

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