AU485778B2 - Improvements in or relating to magnetic compasses - Google Patents

Improvements in or relating to magnetic compasses

Info

Publication number
AU485778B2
AU485778B2 AU26157/71A AU2615771A AU485778B2 AU 485778 B2 AU485778 B2 AU 485778B2 AU 26157/71 A AU26157/71 A AU 26157/71A AU 2615771 A AU2615771 A AU 2615771A AU 485778 B2 AU485778 B2 AU 485778B2
Authority
AU
Australia
Prior art keywords
relating
magnetic compasses
compasses
magnetic
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
AU26157/71A
Other versions
AU2615771A (en
Inventor
Francis Leach Frederick
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.)
Francis Barker & Son Ltd
Original Assignee
Francis Barker & Son 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 Francis Barker & Son Ltd filed Critical Francis Barker & Son Ltd
Priority to AU26157/71A priority Critical patent/AU485778B2/en
Application granted granted Critical
Publication of AU2615771A publication Critical patent/AU2615771A/en
Publication of AU485778B2 publication Critical patent/AU485778B2/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
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/18—Supporting or suspending compasses, e.g. by gimbal, by flotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
AU26157/71A 1971-03-04 1971-03-04 Improvements in or relating to magnetic compasses Expired AU485778B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU26157/71A AU485778B2 (en) 1971-03-04 1971-03-04 Improvements in or relating to magnetic compasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU26157/71A AU485778B2 (en) 1971-03-04 1971-03-04 Improvements in or relating to magnetic compasses

Publications (2)

Publication Number Publication Date
AU2615771A AU2615771A (en) 1972-09-07
AU485778B2 true AU485778B2 (en) 1972-09-07

Family

ID=3714762

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26157/71A Expired AU485778B2 (en) 1971-03-04 1971-03-04 Improvements in or relating to magnetic compasses

Country Status (1)

Country Link
AU (1) AU485778B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183206A (en) * 1976-09-16 1980-01-15 Ferdinand Alexander Porsche Portable watch, especially wristwatch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183206A (en) * 1976-09-16 1980-01-15 Ferdinand Alexander Porsche Portable watch, especially wristwatch

Also Published As

Publication number Publication date
AU2615771A (en) 1972-09-07

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