GB1422552A - Magnetic compasses - Google Patents

Magnetic compasses

Info

Publication number
GB1422552A
GB1422552A GB92073A GB92073A GB1422552A GB 1422552 A GB1422552 A GB 1422552A GB 92073 A GB92073 A GB 92073A GB 92073 A GB92073 A GB 92073A GB 1422552 A GB1422552 A GB 1422552A
Authority
GB
United Kingdom
Prior art keywords
axis
magnet
indicator
centre
segment
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
GB92073A
Other languages
English (en)
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.)
BOHLI H
Original Assignee
BOHLI H
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 BOHLI H filed Critical BOHLI H
Publication of GB1422552A publication Critical patent/GB1422552A/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)
  • Instructional Devices (AREA)
GB92073A 1972-01-08 1973-01-08 Magnetic compasses Expired GB1422552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH26472A CH540477A (de) 1972-01-08 1972-01-08 Magnetischer Kompass

Publications (1)

Publication Number Publication Date
GB1422552A true GB1422552A (en) 1976-01-28

Family

ID=4183037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB92073A Expired GB1422552A (en) 1972-01-08 1973-01-08 Magnetic compasses

Country Status (4)

Country Link
CH (1) CH540477A (fr)
DE (1) DE2300637A1 (fr)
FR (1) FR2167799B1 (fr)
GB (1) GB1422552A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB187969A (en) * 1921-10-27 1923-06-14 British Thomson Houston Co Ltd Improvements in and relating to compass and magnetic dip indicators

Also Published As

Publication number Publication date
DE2300637A1 (de) 1973-07-19
FR2167799B1 (fr) 1976-05-14
FR2167799A1 (fr) 1973-08-24
CH540477A (de) 1973-08-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee