An Early Otis King Type A Cylindrical Slide Rule,

English, c.1921-1923, number 7870 (no preceeding letter) in nickel plate with white on black scales, cursor a single tube with index marks in the form of arrows, no address on scales, in fitted velvet

Lot of Three (3) Antique Umbrella and Canes. The umbrella with chased metal and enamel beaded handle. One stick with and Otis King Pocket Calculator Slide Rule Handle, one a Chinese carved bamboo stic

OTTIS KING CALCULATOR WALKING STICK. CYLINDRICAL SLIDE RULE, SCALE 414. 36" L

A Stanley 'Fuller Calculator' Cylindrical Slide Rule, early 20th century, brass mounted mahogany, fitted in its original mahogany travel case. Dimensions:dimensions of case 4 1/2 x 18 x 4 1/4in

Five (5) early calculators or slide rulers, including one (1) G. Small Pocket Calculator, Roberts Everard type box rule, G. Charpentier Calculimetre, Sexton's Omnimetre Circular Slide Rule, and one (1

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 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

Stanley Fuller Calculator Cylindrical Slide Rule. W.F. Stanley & Co., New Eltham, London. With case and manual. Case 18"l.

The manual is copyright 1891 so the slide rule is potentially 1890s. This is a very early version of one of the most scientific computing devices.Date: Country (if not USA): State: City: Provenance:

Two Stanley 'Fuller Calculator' Cylindrical Slide Rules, 20th century, bakelite and mahogany, each fitted in its original mahogany travel case. Dimensions:dimensions of case 4 3/4 x 18 x 4 1/4in

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.

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

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

133. Calculator Cane- Early 20th Century- “Otis King Patent N.O. 183723” working calculator cane with two different scales, calculator’s telescope into the metal handle, large silver metal colla

circa 1940. circular slide rule type device used in fixing navigation points at sea. L11" Note: Writing on fitted box includes "German Submarine U865". U-865 was launched July 12, 1943 and went missin

Griffin coping saw blade, slide rule and early razor

Five Pocket Circular Slide Rules, English, early 20th century, Including three examples by Fowler, the larger in case with instructions, a Haltham's 'Calculex' example, and another similar, the larges

A Rare Slide Rule Snuff Box, French, early 19th century, the tortoiseshell and bois durci circular box with ivorine veneer scale, the top and base with moulded relief scenes of the Louvre and Pont de

Large Collection of Mostly PIC Slide Rules comprising of varius types and ages, Some constructed of polished wood, with some in card and some in leather cases (approx 18), A.F

A G. Bernhardt's Combined Slide Rule And Propelling Pencil, German, early 20th century, in silvered metal, together with a Nicolet slide rule pencil, a Dring & Fage brass rule and 6-inch brass sector,

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

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

Breitling Navitimer 806, early steel version circa 1956, manual winding caliber Venus 178, black dial with luminous numerals, slide rule function, movement running, black leather strap with pin buckle