A Rare Thomson's Lunar Corrector Slide Rule by Robert

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

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

A Rare Cretes Opthalmic Slide Rule, French, circa 1875, signed in manuscript Regles Calcul du Dr A Cretes. Cretes Optician Rue de Rennes 66 Paris, brass surround, card scale and slide, instructions in

Oversized Framed Slide rule. Theta Tau Slide Rule Presented to C. Robert Nysmith. Spring 1956-- Dimensions: H: 19 inches: W: 52 inches: D: 3 inches ---

A rare vintage Faber-Castell 4/54 Darmstadt slide rule. Made in Germany, piece is in excellent functioning condition and comes in case. *note - case is marked for model 4/87

1904 1ed Practical POKER Gambling by Robert Foster Card GAMES Strategy Rules Robert Frederick Foster was a 19th-century American author who focused on rule and strategy books for games. His portfolio

A RARE GENTLEMAN'S BREITLING NAVITIMER QUARTZ LED CHRONOGRAPH WRIST WATCH CIRCA 1978, REF. 9106 WITH ORIGINAL BOX & TAGS D: LED display with inner slide rule bezel. M: Quartz movement signed Breitling

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

1897 Forty-one Years in INDIA Frederick Roberts Military Anglo-Afghan Wars Maps A classic work of India under British rule. A rare early account of the life and military career of Frederick Roberts in

A very rare section of the first Lunar Module LM-1. This scrap of material is from the personal collection of Lunar Module Pioneer Robert German and includes his launch viewing pass and one of his Gru

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

Rule

Keuffel & Esser (K&E) 4090 universal slide rule, PN 19-19-19-19-19-19. Marked "Keuffel & Esser Co. N.Y., Pat. Oct. 6, 1891". Comprised of two-sided white celluloid coated mahogany, black metal framed

Signed Robert E Lee CDV by E & H. T. Anthony. Robert E. Lee entered the United States Military Academy in 1825 and graduated second in the class of 1829. On May 13, 1846, the United States declared wa

By: J. Tree, London, Caliper advertising Train Dorr & Co. Cordage and Correction for wind speed (unmarked) 8 3/4 inches (and under).

A group of eighteen circular slide rules and calculators, comprising: Scientific Instruments circular clide rule, No. 300-b with box and case, a Cruver computer, altitude correction AN5837-1 with box,

"Pickett All-American Slide Rules" Trade sign, a large operational slide rule, in yellow painted surface. 86" x 11" A selection from

The Breitling Navitimer was the evolution of the 1942 Breitling Chronomat, with its typical slide rule bezel which was used to calculate complicated operations without the help of additional tools. Br

BREITLING - a gentleman's Navitimer 92 chronograph bracelet watch. 18ct yellow gold case with slide rule bezel. Reference K30022, serial 0042. Signed automatic calibre B30. Blue dial with luminous Ara

BREITLING - a limited edition gentleman's Navitimer Montbrilliant chronograph wrist watch. Number 19 of 25. Platinum case with inner slide rule bezel. Numbered L30030.1. Signed automatic movement. Bla

Black Dial with Silver Outer Scale Black Subdials Luminescent Hands Index Hour Markers Subsidiary Second Hand.Chronograph Functions Bi-Directional Rotating Slide Rule Bezel 2nd Time Zone GMT hand Date

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

BREITLING - a gentleman's Breitling for Bentley Motor Speed chronograph bracelet watch. Stainless steel case with slide rule bezel. Reference A25364, serial 2397742. Signed automatic calibre B25B with

Fantastic condition stainless steel Breitling 806 chronograph watch with the manual Venus 178 Movement. 41mm stainless steel case with angled lugs, bi-directional slide-rule bezel, Breitling logo on c