GB190624084A - Improvements in or connected with Magnetic Compasses - Google Patents

Improvements in or connected with Magnetic Compasses

Info

Publication number
GB190624084A
GB190624084A GB190624084DA GB190624084A GB 190624084 A GB190624084 A GB 190624084A GB 190624084D A GB190624084D A GB 190624084DA GB 190624084 A GB190624084 A GB 190624084A
Authority
GB
United Kingdom
Prior art keywords
ring
ledge
compass
card
magnetic compasses
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
Arthur Foster Smith
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 GB190624084A publication Critical patent/GB190624084A/en
Expired legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

24.084. Smith, A. F. Oct. 29. Compasses, magnetic.-A fitting by means of which it is stated that a mariner may determine the error of his compass, without astronomical observation, consists of a slotted bar G engaging with a pin I on the compass card and pivoted on a ring E rotatable upon the bowl. The ring is carried by a ledge D, which is graduated and acts as a protractor. In a modification, the ring is arranged between the graduations on the ledge and the card.
GB190624084D 1906-10-29 1906-10-29 Improvements in or connected with Magnetic Compasses Expired GB190624084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190624084T 1906-10-29

Publications (1)

Publication Number Publication Date
GB190624084A true GB190624084A (en) 1908-01-23

Family

ID=32256630

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190624084D Expired GB190624084A (en) 1906-10-29 1906-10-29 Improvements in or connected with Magnetic Compasses

Country Status (1)

Country Link
GB (1) GB190624084A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432927A (en) * 1967-08-21 1969-03-18 Earl W Springer Turn computer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432927A (en) * 1967-08-21 1969-03-18 Earl W Springer Turn computer

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