Edwin Thacher's Cylindrical Slide Rule Calculator Model 4012, c. 1915

Circa 1914 Thacher's Calculating Instrument or Cylindrical Slide Rule, designed by Edwin Thacher in 1884, this version manufactured by Keuffel & Esser Co. of New York, with tag stamped "No. 4012, Seri

Keuffel & Esser (K&E) 4012 Thacher Cylindrical Slide Rule, serial number 3596. Comprised of a brass core covered by paper marked with forty A scales, surrounded by an open rotating frame with twenty m

Keuffel & Esser 4012 Thatcher Cylindrical Slide Rule, retailed by F. Weber & Co. circa 1915, fitted in its original mahogany travel case. Dimensions:dimensions of case 6 1/2 x 24 x 6 1/2in

Thacher's Calculating Instrument, 1881 Model 1740, American cylindrical slide-rule, manufactured by Keuffel & Esser, New York, serial no. 435, with original manual (dated 1884) in mahogany case. An e

Thacher's Calculating Instrument Cylindrical Slide Rule Mahogany cylinder with numbers printed on accordion folded coated paper; in wooden case with manufacturer users manual Property from: a Gold Coa

Thacher's Calculating Instrument, Cylindrical Slide-Rule, Keuffel & Esser Co., in original box, case is 24" by 6.75 by 6.25". In great condition.

Mahogany Cased Slide rule or cylinder calculator by Edwin Thatcher. Mahogany and Brass mounts. Complete, Original. Very good to excellent condition with minor signs of gentle use, but no wear or damag

Filotecnica Model 201 Back-Light Screen Projection Slide Rule, Italy c. 1955 In the early 1950s the company Filotecnica Salmoiraghi, well known for its precision equipment, developed a slide rule that

2 Logarithmic Calculating Drums 1) Professor Fuller's Spiral Slide Rule Calculator, 1889 onwards, made in England by Stanley, with wood handle, in mahogany case. - And: 2) Calculator Loga, 23 3/5 in.

Gentleman's Ikepod Megapode GMT chronograph titanium wristwatch, limited edition 0155/9999 Dial: black and gray, slide rule calculator, registers for 24 hours (GMT), 30 minute, 12 hour chrono and seco

Early boxed World War I telescope, "B. C. Telescope Model 1915 A1". Box 54" x 10 1/2" x 12" Ht.

Charles Stickley Three-door china cabinet, model 1915 USA, c. 1911oak, glass, hammered brass 57.75 h x 62.5 w x 15.25 d in (147 x 159 x 39 cm) Cabinet features a plate rail and three doors con

Ideal Calculator, c. 1910 Export model of the "Archimedes Mod. A”, manual German brass stepped-drum calculating machine for all 4 arithmetical operations, by Glashütter Rechenmaschinenfabri

English, c. 1820, in boxwood and brass, double sided with numerous finely divided logarithmic scales and early form of cursor, time side with scales marked Half Sum, Lat, Diff, Time PM, Time AM, cu gr

C. 1915. A beautiful restoration of a National Cash Register Model 442 in copper flash plating. CONDITION: Original oak base having been refinished. Fully operational with new key checks. Ready for yo

1915, USA: This keyboard style Seeburg Model "C" came with piano, mandolin and a rack of flute pipes. These nickelodeons were popular in the early teams, and the elaborate art glass scenes were a big

Breitling Bentley GT Racing A13363 Watch. Complete with watch, instructions, slide rule, original box. Stainless Steel Black Dial 45mm Mens Watch. Bentley GT Model. A13363. 2328927.

Chinoiserie black lacquer coffee table, attributed to Rose Tarlow "K'ang-hsi" model, 21st c., gilt decorated with flowers and butterflies, on stretcher-joined cylindrical legs, unmarked,

Edwin Augustus Harleston1882-1931Mdoel in Blue, c. 1912oil on canvas20 x 16 inchesunsignedProvenance: the artist's niece, Edwina Harleston Whitlock, to Earl J. Hooks, Sr, thence by descent.

USAT R20042, Union Pacific BIG BOY 4-8-8-4 STEAM ENGINE: G-Scale Model of Largest Steam Engine in US Service. UNION PACIFIC #4012, w/ TENDER. Highly Detailed Model, C-8 Like New Condition. With Proto

1 ½-Inch Scale Model of a Live-Steam Traction Engine, c. 1984 Large working model of the British "Jennifer" traction engine, coal-fired, twin-cylinder engine, Stephenson’s slide-valve gear,

First half 20th century. Made by Kueffel & Essex o., New York. Cylindrical device with rotating center section to calculate different equations. Partial paper label, impressed numbers "4012 - 2382". M

This is a rare Steinway & Sons "Model C" made of beautiful Rosewood in the Empire Revival Victorian style. The instrument features beautifully turned legs with carved music rack and pedal lyre. This l

c.1903 Knox Model C Runabout Engine no. 202 157ci Air-Cooled Single Cylinder Engine Early Ford-Type Carburetor (see text) 10bhp 2-Speed Manual Planetary Transmission Front and Rear Leaf Spring Suspens