Trade Mark London was established in 2006 by compass maker Paul Crespel, The website followed in 2008, and covers mainly English compasses and scientific instruments.
Trade Mark London aims to provide reliable information to collectors and dealers worldwide, and to provide quality instruments and service backed by the TML full satisfaction guarantee. The Downloads & Links page contains instructions for many compasses, barometers and other instruments.

The online COMPASS SHOP contains some amazing items of exceptional quality:  Instruction manuals; instructions; Silver compass; Gold Compass; Tell Tale Compass; John Cail; Harold Grant-Dalton compass; tortoiseshell compass; Unicus; J. B. Le Roy Compass - 15 Mulcaster Street Jersey; Negretti & Zambra pocket barometer forecaster; KHM KNM Russian Diver Compass; F. Barker & Son 42-Pattern Compass; Schmalcalder's Patent; Elliott Bros. London; Schmalcalder Compass; SIRS G-150; Howard MkII Sun Compass; Cary Pocket Compass; Russian Divers Watch; Royal Navy Divers Compass; Silver long neck compass; Universal Equinoctial Ring Dial; J. Wardale WW1 compass; De L'Isle's Mirror Clinometer; C. Baker - 244 High Holborn London compass; Brass presentation Barker M-73; Abrams Sun Compass; RAF Brass button with concealed escape compass;  Escape compasses;  J. H. Steward compass; Francis Barker M-71 Liquid Prismatic Compass; Antique Compasses; old compasses; Triple Compendium Altimeter/Barometer/Compass/Thermometer; Silver Rota Meter; Rotameter; W. Terrasse Co WW1 military compass; Antique Barker Diptych Pocket Sundial; Skeleton Dial pocket compass; "Butterfield" style pocket sundial; F. Barker & Son WW1 Escape Compass; F. Barker & Son MkIII; Thomas Jones Prismatic Compass; L. Casella Compass; Schmalcalder compass; Francis Barker M-88 NATO; Floating Dial Long-Neck Compass; Francis Barker M-88 NATO compass; 1790 Compass by Hart of Birmingham; J King of Bristol Long-Neck Compass; Barker "Service Pattern Liquid Prismatic Compass"; FB&S(1932)Ltd MkIII; Thomas Rubergall Long-Neck compass; T.G. Co MkIII; WW1 Short & Mason military compass; Negretti & Zambra shallow hunter cased compass; F-L WW1 Verner's MkVIII; Antique Damp Detector; Dennison WW1 Hunter Cased Compass; Stanley G-150; WW2 Barker Artillery Compass; WW1 J. Wardale marching compass; WW2 JM Glauser MkIX;  Stanley MkIII;  B.L. Verner's Pattern MkVIII; Boer War Dollond Marching Compass; Stanley G-150; Francis Barker M-73 NATO; SIRS Sestrel Radiant NATO hand bearing Landing Compass; Dollond Damp Detector; Victorian Damp Detector; Francis Barker FB1204 Landing Compass and tripod; T.G. Co MkIII; Box Sextant;  Pocket Barometer; Sundial; Sundial Book; Davis Tables; Precision 12" 10-point Dividers; Level; Negretti & Zambra Wrist Compass; Gold Compass; Silver Compass; WW1 Compasses; Escape Compasses; Sundials; pocket sundials; equinoctial sundials; butterfield dials; augsburg dials; Andreas Vogler; Gold Compass Jewellery; Pocket Newton & Co Gimbals Compass; Verner's Pattern Compasses; Singer's Patent Compass; RGS Pattern Dial Compass; Davis Sun Tables; T Geoffrey W Henslow; Dennison; Antique Barometer; Pocket Barometer; Antique Sundial; Pocket Sundial; Casartelli Liverpool barometer; Francis Barker compasses; antique scientific instruments; fb&s; f.b.& s.; f. barker & son compass; 12 Clerkenwell Road; bussola; bussole; Agat Vodolaz Zlatoust Diving Watch; kompass; compass instructions and many more... please take the time to browse the shop pages.

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Latest update: 14 May 2012

Very rare 1895 charm barometer hallmarked FB&S 18ct gold London 1895.

TRADE MARK LONDON

The original Vodolaz Zlatoust Diver watch by Agat, one of the most copied, imitated and counterfeited watches in the world, is actually still available, and still being hand assembled, to order, in very limited numbers in its original Agat factory in Zlatoust. This is the watch I wear every day.