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Keuffel Esser Slide Rule


Keuffel & Esser Co K & E 4181-1 1947 copyright Slide Rule

$40.00


Vintage Keuffel Esser Log Log Duplex Trig Slide Rule 4080-3 Leather Case USA

$20.00


Keuffel & Esser K&E 4081-5 LOG LOG Duplex Decitrig 22" Slide Rule w Leather Case

$51.99


K E K&E Pocket Slide Rule 4181-1 W/Leather Case Keuffel & Esser Ruler

$39.00


Vintage K&E Keuffel & Esser Slide Rule Leather Case 4080-3 Log Log Duplex Trig

$22.99


Keuffel & Esser Co Slide Rule #4181-1 K&E Made in the USA 

$40.00


Vintage Keuffel & Esser K12 Prep Slide Rule with Instructions , Mint in Case

$9.95


VINTAGE Keuffel & Esser 1947 Slide Rule w/Leather Case, #N4080-3, USA, VGUC

$15.99


Vtg Keuffel & Esser Co. 10 Deci-Con Slide Rule w/Orig Leather Case, Pre-Owned

$15.00


Keuffel & Esser Slide Rule & Case 4081-3 LOG LOG DUPLEX DECITRIG - 1947

$9.99


K+E 4053-3S Polyphase (Mannheim) Slide Rule Keuffel & Esser

$13.99


Vintage K&E Keuffel & Esser Slide Rule 4053-3 Patented 1900 / 1915 with case

$17.99


Vintage K&E Slide Rule 4092-3, Leather Case, Keuffel & Esser

$22.00


Keuffel & Esser K&E Slide Rule N4081-3 W Brown Leather Case Used

$14.99


K & E Keuffel & Esser 4081-3 LOG LOG DUPLEX DECITRIG SLIDE RULE 1947 W/ Case

$49.99


Keuffel & Esser K&E 1947 Slide Rule 4181-1 Leather Case Box & Manual

$31.00


1947 Keuffel & Esser Co. NY 12 inch Slide Rule model 4081-3 with leather case

$10.00


Vintage Keuffel & Esser Pocket Slide Rule #4181-1 with Original Pouch

$45.00


KEUFFEL&ESSER CO. 1947 SLIDE RULE #68 1210 LOG LOG DUPLEX DECITRIG &CASE VGC

$14.00


Keuffel Esser 4150-1 Ivorite Slide Rule in case, original box and instructions

$28.00


Rare K+E Keuffel & Esser Co. "JETS" Slide Rule Screw On Back Lapel Pin

$50.00


COOL Keuffel & Esser (K & E) Model 100 Demonstration Classroom Slide Rule!

$159.99


Vintage Slide Rule in Leather Case, Keuffel & Esser, NR!

$8.00


Antique K&E KEUFFEL & ESSER CO Slide Rule Wooden N4053-3 with Leather Case

$8.00


Vtg Slide Rule Lot of 3 Nestler Keuffel & Esser w/ Leather Cases Used Free Ship

$25.99


Vintage Keuffel Esser Log Log Duplex 4092-3S 10" Slide Rule W/ Case Engraved 

$24.99


Antique K&E Keuffel & Esser Co. N.Y. Beginner’s Slide Rule 4058

$9.99


1947 Keuffel & Esser K&E N4081-3 Duplex Decitrig Slide Rule with Case

$25.00


1947 Keuffel & Esser K&E N4081-3 Duplex Decitrig Slide Rule w/ leather Case

$19.95


VTG 1962 K & E SLIDE RULE INSTRUCTION MANUAL 68 - 1100 BOOK KEUFFEL ESSER CO

$18.95


K & E Keuffel & Esser Slide Rule with Case - Vintage drafting

$20.00


Vintage 1947 Keuffel & Esser K&E Log Log Duplex Decitrig Slide Rule Manual Lot 2

$9.99


VINTAGE KEUFFEL & ESSER K & E MAHOGANY SLIDE RULE 4054 W/ORIGINAL CASE

$14.99


K&E Keuffel & Esser Deci-lon Slide Rule 68 1100 with Leather Sleeve Ex Condition

$38.99


Keuffel & Esser Co. MANNHEIM Vintage 4054 Engineering Slide Rule with Case

$9.99


Vintage KEUFFEL & ESSER SLIDE RULE #68-1220 LOG  LOG DUPLEX DECITRIG c.1947

$40.00


Keuffel & Esser [USA] K & E 10" Slide Rule [214128] w/Case

$7.83


Vintage Slide Rule 4053-3 Keuffel Esser US Navy Academy Annapolis

$15.00