GB450489A - Improvements in or relating to navigating compasses - Google Patents

Improvements in or relating to navigating compasses

Info

Publication number
GB450489A
GB450489A GB865035A GB865035A GB450489A GB 450489 A GB450489 A GB 450489A GB 865035 A GB865035 A GB 865035A GB 865035 A GB865035 A GB 865035A GB 450489 A GB450489 A GB 450489A
Authority
GB
United Kingdom
Prior art keywords
compass
ship
mirror
compasses
navigating
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
GB865035A
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.)
CHADBURN S SHIP TELEGRAPH COMP
Original Assignee
CHADBURN S SHIP TELEGRAPH COMP
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 CHADBURN S SHIP TELEGRAPH COMP filed Critical CHADBURN S SHIP TELEGRAPH COMP
Priority to GB865035A priority Critical patent/GB450489A/en
Publication of GB450489A publication Critical patent/GB450489A/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)
  • Telescopes (AREA)

Abstract

450,489. Mariners' compasses. CHAD. BURN'S (SHIP) TELEGRAPH CO., Ltd., and BAMFORD, A. C., Cyprus Road, Bootle, Lancashire. March 20, 1935, No. 8650. [Class 97 (ii)] A compass 10 supported by gimbals 11 in an elevated position, e.g. the roof of a ship's wheelhouse, is provided with an optical arrangement, e.g. the mirror 17, which is fixed to the compass 10 by telescopic connecting means 15 so as to swing therewith and enables the compass to be read from a remote position. The mirror 17. may be adjustable about a vertical axis as well as about the horizontal axis 18, 18. Lateral inversion of the compass card image may be eliminated by providing a lens system or by having laterally inverted readings on the compass card. A sighting device 21 for taking bearings may be carried by a telescopic rod 25 which is detachably secured by a bayonet joint to a socket 22 carrying a pointer 20 and rotatably mounted in the centre of the glass bottom of the compass bowl.
GB865035A 1935-03-20 1935-03-20 Improvements in or relating to navigating compasses Expired GB450489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB865035A GB450489A (en) 1935-03-20 1935-03-20 Improvements in or relating to navigating compasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB865035A GB450489A (en) 1935-03-20 1935-03-20 Improvements in or relating to navigating compasses

Publications (1)

Publication Number Publication Date
GB450489A true GB450489A (en) 1936-07-20

Family

ID=9856559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB865035A Expired GB450489A (en) 1935-03-20 1935-03-20 Improvements in or relating to navigating compasses

Country Status (1)

Country Link
GB (1) GB450489A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894330A (en) * 1952-07-23 1959-07-14 Kollsman Instr Corp Astrocompass
CN102901121A (en) * 2012-10-26 2013-01-30 无锡商业职业技术学院 Combustion-supporting device used outdoors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894330A (en) * 1952-07-23 1959-07-14 Kollsman Instr Corp Astrocompass
CN102901121A (en) * 2012-10-26 2013-01-30 无锡商业职业技术学院 Combustion-supporting device used outdoors

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