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FR490509A - Automatic distance indicators for ships - Google Patents

Automatic distance indicators for ships

Info

Publication number
FR490509A
FR490509A FR490509A FR490509DA FR490509A FR 490509 A FR490509 A FR 490509A FR 490509 A FR490509 A FR 490509A FR 490509D A FR490509D A FR 490509DA FR 490509 A FR490509 A FR 490509A
Authority
FR
France
Prior art keywords
ships
automatic distance
distance indicators
indicators
automatic
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
FR490509A
Other languages
French (fr)
Inventor
Henry Havelock Cummings
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 FR490509A publication Critical patent/FR490509A/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
    • G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR490509A 1917-11-14 1917-11-14 Automatic distance indicators for ships Expired FR490509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR490509T 1917-11-14

Publications (1)

Publication Number Publication Date
FR490509A true FR490509A (en) 1919-04-26

Family

ID=1526623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490509A Expired FR490509A (en) 1917-11-14 1917-11-14 Automatic distance indicators for ships

Country Status (1)

Country Link
FR (1) FR490509A (en)

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