FR463251A - Device for indicating distances and changes in distance - Google Patents

Device for indicating distances and changes in distance

Info

Publication number
FR463251A
FR463251A FR463251DA FR463251A FR 463251 A FR463251 A FR 463251A FR 463251D A FR463251D A FR 463251DA FR 463251 A FR463251 A FR 463251A
Authority
FR
France
Prior art keywords
distance
changes
indicating distances
distances
indicating
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
Arthur Hungerford Pollen
Harold Isherwood
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 FR463251A publication Critical patent/FR463251A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR463251D 1913-10-03 1913-10-03 Device for indicating distances and changes in distance Expired FR463251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR463251T 1913-10-03

Publications (1)

Publication Number Publication Date
FR463251A true FR463251A (en) 1914-02-18

Family

ID=1502343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR463251D Expired FR463251A (en) 1913-10-03 1913-10-03 Device for indicating distances and changes in distance

Country Status (1)

Country Link
FR (1) FR463251A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538226A (en) * 1944-12-22 1951-01-16 Honeywell Regulator Co Computing means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538226A (en) * 1944-12-22 1951-01-16 Honeywell Regulator Co Computing means

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