K&E DECI-LON 68-1100 SLIDE RULE

A pair of vintage slide rules by K&E, including: one 5 Deci-Lon 68-1130 and one 10 Deci-Lon 68-1100. Both in good, functioning condition with original leather cases. *note - marker writing on outside

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

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Here is a large lot of important devices for pilots and mathematicians....including......Deci-lon Slide Rule ($64 used).....DorCliff Super Plotter for pilots--pilots know that a plotter left in the su

A 1966 Keuffel and Esser Co. Jet-Math 68 1576 slide rule with original box, instructions and case. Slide Rule is marked 4161-3. Made in USA.

A 1966 Keuffel and Esser Co. Jet-Math slide rule #68-1576. Comes in original packaging with manual and case. Made in USA. Box measures 14 1/2" x 7". *notes- regular wear from age and storage.

5 K&E Slide rule grouping, 1- Deci Con, 1- 4183-3, 1-4041, 2-4503-3, All have whole slides, windows, cases

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

EUGENE DIETZGEN CO 10" SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE -HS5721

Group of 6 vintage Keuffel and Esser slide rules. Includes a Beginner's slide rule #4058, a 4153-1, a N4081-3, a N-4053-3>, a 4094 merchants and a 68 1434. All come with cases. One has original box as

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

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

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 Stanley Fuller Calculator Circular Slide Rule w. f. stanley & co. ltd., london, 1950 with a fitted wood case and brass mounting arm, together with a Fowlers: Twelve-Ten calculator. Length of first 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

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

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

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

Two (2) Faber Castell, Germany scientific items, including one (1) Mathema 2/84 Full Hyperbolic duplex slide rule, comprised of white plastic with a plastic cursor with hairlines and plastic edges hel

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,