9 SLIDE RULES

INCLUDING DIETZGEN, POST, LUTZ, PICKETT, KEUFFEL, & MORE. ORIGINAL AS FOUND CONDITION. UNKNOWN IF COMPLETE.

Appearing to date from the early 1900’s, measuring 9 1/4” x 6 1/4”, made with a slide lid and two-section interior. The dark exterior paint is accented by gold rule and decorated sid

Ten (10) Keuffel & Esser (K&E) Slide Rules. 1st item: K&E 4061 Polyphase Duplex slide rule. Comprised of two-sided celluloid coated mahogany, with frameless glass cursor with plastic edges held togeth

1st item: Eckel Dial-O-Matic Engineer's or Engineer's Log Log slide rule, manufactured by Lithocalculator Company, Arcadia, California, circa 1955. Comprised of two celluloid-coated aluminum disks, on

Keuffel and Esser (K&E) slide rules, including one (1) Nordell Sewer Slide Rule; one (1) 4160 Chemist's 10" Mahogany Duplex slide rule; and one (1) 4088-3 Polyphase Duplex Slide Rule. All comprised of

Gigantic "PICKETT All Metal Slide Rules". This is made of WOOD. See photos for scale. -- Dimensions: H: 12.5 inches: W: 84 inches: D: 1 inches ---

Seven (7) Keuffel & Esser (K&E) duplex slide rules, including two (2) 4160 Chemist's slide rules; one (1) N4081-5 20" Log Log Decitrig slide rule; one (1) 68-1200 Log Log Duplex slide rule; one (1) 40

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

Four (4) linear slide rules, made by Hemmi, Japan. 1st item: Sun Hemmi No. 154 Electronic slide rule. Comprised of two-sided white celluloid on bamboo, two (2) plastic indicators housed in a metal and

Seven (7) circular slide rules, including Dietzgen 1798 Dempster RotaRule Model AA, Loga. 1st item: Dietzgen 1798 Dempster RotaRule Model AA 50-Inch Pocket slide rule, designed and manufactured by Jac

Grouping of slide rules, drafting sets & brass scales.

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,

Industrial 7 Ft Large Pickett Working Metal Slide Rule. This slide rule works, has a yellow color and has drilled holes in the center for mounting. It could be used as wall art. It reads "Pickett

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

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

Collection of Vintage Slide Rules and Scientific Items. Containing over 40 Various Pieces. Charts, Rulers, Mosquito Circuit Tester,

A mixed lot of four vintage slide rules by various makers, including: one antique K&E No. 4053-3, one Teledyne Post Hemmi No. 44BA-470, one 1962 American Oil Co. Discounted Cash Flow slide rule, and o

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A pair of vintage K&E slide rules, including: one Model 68 1120 Deci-Lon 5 and one Model N-4100. The first comes in original box with leather case and instructions, dated 1961 The second comes in hard

Also includes pipe.

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

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

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