GB599112A - Improvements in or relating to magnetic compasses - Google Patents

Improvements in or relating to magnetic compasses

Info

Publication number
GB599112A
GB599112A GB2368345A GB2368345A GB599112A GB 599112 A GB599112 A GB 599112A GB 2368345 A GB2368345 A GB 2368345A GB 2368345 A GB2368345 A GB 2368345A GB 599112 A GB599112 A GB 599112A
Authority
GB
United Kingdom
Prior art keywords
relating
jewel
magnetic compasses
magnetic
compass
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
GB2368345A
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.)
TOM BRIAN SMITH
Original Assignee
TOM BRIAN SMITH
Filing date
Publication date
Application filed by TOM BRIAN SMITH filed Critical TOM BRIAN SMITH
Publication of GB599112A publication Critical patent/GB599112A/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)
  • Sheet Holders (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Lenses (AREA)

Abstract

599,112. Magnetic compasses. SMITH, T. B. Sept. 13, 1945, No. 23683. [Class 97 (ii)] The compass unit having a body 5 is inserted into a case 1 from the underside thereof, being retained by the fitting of the cover 2. The compass unit comprises a body 5, glass 9, baseplate 11, pivot pin 13, jewel mount 16, jewel 15, magnetic needle 17 and compass card 18. A lever 19 pivoting at 20 is tilted by a finger 23 on the hinged cover 3, lifting the jewel mount 16 from the needle.
GB2368345A 1945-09-13 Improvements in or relating to magnetic compasses Expired GB599112A (en)

Publications (1)

Publication Number Publication Date
GB599112A true GB599112A (en) 1948-03-04

Family

ID=1737848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2368345A Expired GB599112A (en) 1945-09-13 Improvements in or relating to magnetic compasses

Country Status (1)

Country Link
GB (1) GB599112A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687577A (en) * 1952-09-03 1954-08-31 Francis P Pallotti Pocket compass
DE19628671A1 (en) * 1996-07-16 1998-01-29 Meister & Co Ag Hinged compass with disc-shaped housing of non-magnetic metal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687577A (en) * 1952-09-03 1954-08-31 Francis P Pallotti Pocket compass
DE19628671A1 (en) * 1996-07-16 1998-01-29 Meister & Co Ag Hinged compass with disc-shaped housing of non-magnetic metal
DE19628671C2 (en) * 1996-07-16 1998-05-20 Meister & Co Ag Folding compass

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