Price guides for Thatcher's calculating instrument,...

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Thatcher's calculating instrument, brass mounted wooden drum calculating multiplication, division, proportion and powers, last patent date 1920, Keuffel...

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THATCHERS CALCULATING INSTRUMENT BY
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Thatcher s Calculating Instrument Keuffel
& Esser New York 19th century model 4012 ~Patented by Edwin Thatcher C.E. Nov. 1st 1881 mahogany cased 6.75" (height) 17.1cm (height) 24" (width) 61cm (width) 6.75" (depth)...
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Thatcher's calculating instrument,
brass mounted wooden drum calculating multiplication, division, proportion and powers, last patent date 1920, Keuffel & Esser, No. 4012, with original instruction manual,...
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AntiqueThacher's Model 4012 Calculating
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Thatcher's calculating instrument,
brass mounted wooden drum for calculating multiplication, division, proportion and powers, last patent date 1932, 6-3/4 x 24-1/2 in., in finger jointed mahogany case marked...
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THATCHER'S CALCULATING INSTRUMENT BY
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Price guides for Thatcher's calculating instrument,...

Appraise and find values for Thatcher&#39;s calculating instrument,...

From marks4antiques.com - The most updated price guide and makers' marks research online As a member, you have access to a team of experts and assistance is always available to you for free

Thatcher's calculating instrument, brass mounted wooden drum calculating multiplication, division, proportion and powers, last patent date 1920, Keuffel... This is an example from our values4antiques price guide We do not buy or sell any items

Ideal research tools for Collectors, Personal Property Appraisers, Antiques & Collectibles Dealers, Auction Houses, Museums, eBayers or other online sellers (Rubylane, Etsy etc) and curious minds interested in appraising & identifying collectibles

EASY. FAST. ACCURATE. Research at its best Our research tools include:

Thousands of makers marks for PORCELAIN, POTTERY CHINAWARE, FIGURINES, VASES see details

Thousands of marks & hallmarks for SILVER & JEWELRY, PEWTER, PRECIOUS METALS, SILVERPLATE see details