Lot of Vintage Keuffel and Esser Slide Rules

Group of 5 vintage Keuffel and Esser slide rules with cases. Models include 4070-3, 4090-3, N4053-3 and two 4081-3, one with original box. Made in USA. *notes- wear on box and cases.

Lot of two vintage slide rules. Each includes a case, one can snap shut. Each slide rule reads as KEUFFEL & ESSER CO. Includes patent info. Wear is consistent with age and use. Each measures approx 12

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

LOT 2 SLIDE RULER AND SLIDE RULE BOOK CONTAINS: "THE SLIDE RULE AND LOGARITHMIC TABLES BY CLARK, PICKET n902-es SIMPLEX TRIG SLIDE RULE, KEUFFEL & ESSER CO n4053-3 PAT1,934,232 | VINTAGE COLLECTIBLE S

DESCRIPTION: Vintage Keuffel & Esser Co. log log duplex decitrig slide rule featuring marks for calculating various mathematical functions from arithmetic to trigonometry to algebra. Includes orange l

A 1966 Keuffel and Esser Co. Pocket Slide Rule in original packaging. Comes with leather sheath and instruction manual. 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.

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.

(2) VINTAGE DRAFTING TOOLS Includes: Map wheel compass made in Germany, in original leather case & Keuffel Esser slide rule in leather case ; Condition - Scuffs to ruler case ; Measures: Case is 13" l

KEUFFEL & ESSER CO NO. 461294 PAT. APRIL 1'24 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -DAMAGED CASE (SEE IMAGES)

KEUFFEL & ESSER CO 4061 6" | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE (DAMAGED) -HS5721

KEUFFEL & ESSER CO. NY NO. 4002-3 SLIDE RULE pAT jUNE5'00, DEC 22 '08, APRIL1 '24 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VIN

BOOK AND SLIDE RULE LOT ACUMATH ACUMATH NO. 500 MATH, STERLING 10' SLIDE RULE NO. 584, KEUFFEL & ESSER C CLOTH, PICKETT BOOK "HOW TO USE BASIC SLIDE RULES", "THE LOG LOG DUPLEX TRIG SLIDE RULE" BOOK K

KEUFFEL & ESSER CO NO. 4053-3 BOX CASE BOOKLETS POLYPHASE | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -GREAT GREEN L

KEUFFEL & ESSER CO 4081-3 LOG LOG DEPLUX DECITIRIG WITH CASE PATS; 2500460, 2168056,2170144,2285722, 2422649 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING

KEUFFEL & ESSER CO 4081-3 LOG LOG DEPLUX DECITIRIG WITH CASE PATS; 2500460, 2168056,2170144,2285722, 2422649 | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING

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

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

Vintage Keuffel & Esser Slide Ruler with Leather Case *In-house domestic shipping for this item: $25.35

A Keuffel & Esser Co., New York mahogany slide rule, first half 20th century, raised on small cast iron feet, fitted into an ebonized case, together with a similar German slide rule in a teak wood cas

Keuffel & Esser slide rule & gradient tool, both in case. In the slide rule the name "Lewis" is scratched in the center bottom, it has serial, or model number 4087T,small brown stain spots throughout

Getting all pictured

Includes leather case and original box

#4092-3