A Layton's Improved Arithmometer, London, 1910,
with eight input slides, 16-window readout each with zero control, twin lever operation with add/multiply and subtract/divide change-over pull, laquered brass engraved front plate with carry-on slide above, internal bay vacant, in polished oak case with slope top, side handles - 25in. (64cm) wide
Sold for
£2,125
inc. premium
Category: Collectibles / Scientific Instruments
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Scientific Instruments