GB191107718A - Improvements in Mariners' Compasses. - Google Patents

Improvements in Mariners' Compasses.

Info

Publication number
GB191107718A
GB191107718A GB191107718DA GB191107718A GB 191107718 A GB191107718 A GB 191107718A GB 191107718D A GB191107718D A GB 191107718DA GB 191107718 A GB191107718 A GB 191107718A
Authority
GB
United Kingdom
Prior art keywords
mariners
compasses
bowl
whyte
swings
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
Inventor
William David Whyte
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 GB191107718A publication Critical patent/GB191107718A/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)
  • Treatment Of Fiber Materials (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Abstract

7718. Whyte, W. D. March 28. Mariners' compasses.-To reduce the drag on the card b when it swings, the part of the bowl in proximity thereto is arranged to be at an angle to it. The bowl a is made with an inwardly projecting ledge f, or the walls of the bowl may slope.
GB191107718D 1911-03-28 1911-03-28 Improvements in Mariners' Compasses. Expired GB191107718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191107718T 1911-03-28

Publications (1)

Publication Number Publication Date
GB191107718A true GB191107718A (en) 1911-07-13

Family

ID=32365820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191107718D Expired GB191107718A (en) 1911-03-28 1911-03-28 Improvements in Mariners' Compasses.

Country Status (1)

Country Link
GB (1) GB191107718A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156178A (en) * 1977-05-19 1979-05-22 Stockton Raymond F Terrestrial magnetism responsive device including a pair of balanced north seeking magnets rotatable on a magnetic axis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156178A (en) * 1977-05-19 1979-05-22 Stockton Raymond F Terrestrial magnetism responsive device including a pair of balanced north seeking magnets rotatable on a magnetic axis

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