FR464708A - Rangefinder improvements - Google Patents

Rangefinder improvements

Info

Publication number
FR464708A
FR464708A FR464708DA FR464708A FR 464708 A FR464708 A FR 464708A FR 464708D A FR464708D A FR 464708DA FR 464708 A FR464708 A FR 464708A
Authority
FR
France
Prior art keywords
rangefinder
rangefinder improvements
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
Archibald Barr
William Stroud
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 FR464708A publication Critical patent/FR464708A/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
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR464708D 1912-11-16 1913-11-10 Rangefinder improvements Expired FR464708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB464708X 1912-11-16

Publications (1)

Publication Number Publication Date
FR464708A true FR464708A (en) 1914-03-28

Family

ID=1503654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR464708D Expired FR464708A (en) 1912-11-16 1913-11-10 Rangefinder improvements

Country Status (1)

Country Link
FR (1) FR464708A (en)

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