GB107529A - Improvements in or relating to Instruments for Navigation and like purposes. - Google Patents

Improvements in or relating to Instruments for Navigation and like purposes.

Info

Publication number
GB107529A
GB107529A GB1792816A GB1792816A GB107529A GB 107529 A GB107529 A GB 107529A GB 1792816 A GB1792816 A GB 1792816A GB 1792816 A GB1792816 A GB 1792816A GB 107529 A GB107529 A GB 107529A
Authority
GB
United Kingdom
Prior art keywords
disk
navigation
instruments
relating
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
GB1792816A
Inventor
Ezio Zona
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
Priority to GB1792816A priority Critical patent/GB107529A/en
Publication of GB107529A publication Critical patent/GB107529A/en
Expired legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

107,529. Zona, E. Dec. 13, 1916. Plane-trigonometry calculators.-Apparatus for solving problems in plane-navigation and for use as a station pointer comprises a transparent disk z graduated in degrees on its edges and ruled in squares. Secured to the edge of the disk by clips r so as to be capable of rotation is a graduated ring l, and pivoted at the centre of the disk are four alidades a, b, c, d marked on their edges with graduations corresponding to the rulings on the disk. Set-screws i are provided for clamping the alidades, and a hole o is provided at the centre for the insertion of a marking-point.
GB1792816A 1916-12-13 1916-12-13 Improvements in or relating to Instruments for Navigation and like purposes. Expired GB107529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1792816A GB107529A (en) 1916-12-13 1916-12-13 Improvements in or relating to Instruments for Navigation and like purposes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1792816A GB107529A (en) 1916-12-13 1916-12-13 Improvements in or relating to Instruments for Navigation and like purposes.

Publications (1)

Publication Number Publication Date
GB107529A true GB107529A (en) 1917-07-05

Family

ID=32409003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1792816A Expired GB107529A (en) 1916-12-13 1916-12-13 Improvements in or relating to Instruments for Navigation and like purposes.

Country Status (1)

Country Link
GB (1) GB107529A (en)

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