GB770984A - An improved magnetic compass - Google Patents

An improved magnetic compass

Info

Publication number
GB770984A
GB770984A GB2316055A GB2316055A GB770984A GB 770984 A GB770984 A GB 770984A GB 2316055 A GB2316055 A GB 2316055A GB 2316055 A GB2316055 A GB 2316055A GB 770984 A GB770984 A GB 770984A
Authority
GB
United Kingdom
Prior art keywords
magnetic compass
improved magnetic
magnetic
milward
duff
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
GB2316055A
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.)
MERLIN GRAHAM DUFF
RAYMOND HARRY MILWARD
Original Assignee
MERLIN GRAHAM DUFF
RAYMOND HARRY MILWARD
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 MERLIN GRAHAM DUFF, RAYMOND HARRY MILWARD filed Critical MERLIN GRAHAM DUFF
Priority to GB2316055A priority Critical patent/GB770984A/en
Publication of GB770984A publication Critical patent/GB770984A/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)
  • Credit Cards Or The Like (AREA)

Abstract

770,984. Magnetic compasses. DUFF, M. G. and MILWARD, R. H. Aug. 11, 1955, No. 23160/55. Drawings to Specification. Class 97(2) The magnetic needles are mounted at an angle to the North-South line of the compass card equal to the mean of the variation in a given area.
GB2316055A 1955-08-11 1955-08-11 An improved magnetic compass Expired GB770984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2316055A GB770984A (en) 1955-08-11 1955-08-11 An improved magnetic compass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2316055A GB770984A (en) 1955-08-11 1955-08-11 An improved magnetic compass

Publications (1)

Publication Number Publication Date
GB770984A true GB770984A (en) 1957-03-27

Family

ID=10191130

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2316055A Expired GB770984A (en) 1955-08-11 1955-08-11 An improved magnetic compass

Country Status (1)

Country Link
GB (1) GB770984A (en)

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