FR339013A - Télémètre de dépression - Google Patents

Télémètre de dépression

Info

Publication number
FR339013A
FR339013A FR339013DA FR339013A FR 339013 A FR339013 A FR 339013A FR 339013D A FR339013D A FR 339013DA FR 339013 A FR339013 A FR 339013A
Authority
FR
France
Prior art keywords
telemeter
vacuum
vacuum telemeter
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
Mario Da Silveira Netto
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 FR339013A publication Critical patent/FR339013A/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
    • G01C3/10—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
    • G01C3/12—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 with monocular observation at a single point, e.g. coincidence type
    • 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)
FR339013D 1903-09-04 1903-09-04 Télémètre de dépression Expired FR339013A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR339013T 1903-09-04

Publications (1)

Publication Number Publication Date
FR339013A true FR339013A (fr) 1904-10-18

Family

ID=1388265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR339013D Expired FR339013A (fr) 1903-09-04 1903-09-04 Télémètre de dépression

Country Status (1)

Country Link
FR (1) FR339013A (fr)

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