FR448262A - Télémètre - Google Patents

Télémètre

Info

Publication number
FR448262A
FR448262A FR448262DA FR448262A FR 448262 A FR448262 A FR 448262A FR 448262D A FR448262D A FR 448262DA FR 448262 A FR448262 A FR 448262A
Authority
FR
France
Prior art keywords
rangefinder
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
English (en)
Inventor
James Murray Washburn
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 FR448262A publication Critical patent/FR448262A/fr
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
    • G01C3/24—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable 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)
FR448262D 1911-09-13 1912-09-11 Télémètre Expired FR448262A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US448262XA 1911-09-13 1911-09-13

Publications (1)

Publication Number Publication Date
FR448262A true FR448262A (fr) 1913-01-27

Family

ID=1488888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR448262D Expired FR448262A (fr) 1911-09-13 1912-09-11 Télémètre

Country Status (1)

Country Link
FR (1) FR448262A (fr)

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