Charles Wright's Airy's Altitude Scale by T. Cooke & Sons Ltd, London, York & Cape Town, No. 762

Details

BRITISH ANTARCTIC EXPEDITION, 1910-13
Charles Wright's Airy's Altitude Scale by T. Cooke & Sons Ltd, London, York & Cape Town, No. 762
round aluminium case and back, glass lens over dial face, knob and ring for lanyard on top, engraved on the back '-- PRESENTED BY -- THE MONMOUTHSHIRE BRANCH OF THE LEAGUE OF THE EMPIRE. -- TO THE -- BRITISH ANTARCTIC EXPEDITION OF 1910.'
the face 2in. (7cm.) diameter
together with a hand sewn cotton cushioned bag stencilled '12' and hand painted 'Polar', and typed operating instructions from the maker on company headed paper (old folds and damp stains)

Special notice

VAT rate of 5% is payable on hammer price and at 17.5% on the buyer's premium.

Lot Essay

For a second altitude scale belonging to Charles Wright but marked on the bag 'S Polar', possibly calibrated for the Summit of the Beardmore Glacier, see sale Christie's, 26-27 September 2007, lot 368 (£5,000).

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