FR491303A - Improvements to devices used to record movement components - Google Patents

Improvements to devices used to record movement components

Info

Publication number
FR491303A
FR491303A FR491303DA FR491303A FR 491303 A FR491303 A FR 491303A FR 491303D A FR491303D A FR 491303DA FR 491303 A FR491303 A FR 491303A
Authority
FR
France
Prior art keywords
devices used
movement components
record movement
record
components
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)
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.)
Sperry Gyroscope Co Ltd
Original Assignee
Sperry Gyroscope Co Ltd
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 Sperry Gyroscope Co Ltd filed Critical Sperry Gyroscope Co Ltd
Application granted granted Critical
Publication of FR491303A publication Critical patent/FR491303A/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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR491303D 1917-08-21 1918-08-19 Improvements to devices used to record movement components Expired FR491303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB491303X 1917-08-21

Publications (1)

Publication Number Publication Date
FR491303A true FR491303A (en) 1919-05-30

Family

ID=1527321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491303D Expired FR491303A (en) 1917-08-21 1918-08-19 Improvements to devices used to record movement components

Country Status (1)

Country Link
FR (1) FR491303A (en)

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