GB190602854A - A New or Improved Nautical Position Finder and Course Protractor applicable also for other purposes. - Google Patents

A New or Improved Nautical Position Finder and Course Protractor applicable also for other purposes.

Info

Publication number
GB190602854A
GB190602854A GB190602854DA GB190602854A GB 190602854 A GB190602854 A GB 190602854A GB 190602854D A GB190602854D A GB 190602854DA GB 190602854 A GB190602854 A GB 190602854A
Authority
GB
United Kingdom
Prior art keywords
cards
protractor
applicable
course
purposes
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
Frederick Allen Ashe
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 GB190602854A publication Critical patent/GB190602854A/en
Expired legal-status Critical Current

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  • Drawing Aids And Blackboards (AREA)

Abstract

2854. Ashe, F. A. Feb. 6. Protractors.-An instrument for finding courses or positions on a chart consists of a pair of superposed compass cards a, c, preferably of celluloid, xylonite, horn, or other transparent material, the upper being rotatable on a hollow central boss b attached to the under card and adapted to be clamped thereto by a nut h. On the same boss are pivoted two arms between the cards, having clamps p engaging the under card. In the hollow of the stud can be fitted a metal cup q with a transparent top, from the centre of which an elastic silk cord r can be stretched to any point and the position read off on the cards. [Reference has been directed under Patents Act, 1902, to Specification No. 19,570, A.D. 1894.]
GB190602854D 1906-02-06 1906-02-06 A New or Improved Nautical Position Finder and Course Protractor applicable also for other purposes. Expired GB190602854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190602854T 1906-02-06

Publications (1)

Publication Number Publication Date
GB190602854A true GB190602854A (en) 1907-01-17

Family

ID=32203656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190602854D Expired GB190602854A (en) 1906-02-06 1906-02-06 A New or Improved Nautical Position Finder and Course Protractor applicable also for other purposes.

Country Status (1)

Country Link
GB (1) GB190602854A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557981A (en) * 1945-09-17 1951-06-26 Paul B Larsen Navigational instrument
US2990620A (en) * 1955-11-29 1961-07-04 Tagliere Daniel Measuring instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557981A (en) * 1945-09-17 1951-06-26 Paul B Larsen Navigational instrument
US2990620A (en) * 1955-11-29 1961-07-04 Tagliere Daniel Measuring instrument

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