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Keuffel Esser Slide Rule


Keuffel & Esser K&E 411-3 Slide Rule with 1947 Patent date, in Leather Case

$19.99


K&E Keuffel & Esser N4081-3 Duplex Log Log Decitrig Slide Rule/Case

$19.95


Keuffel & Esser N4053-3 Slide Rule - Vintage

$19.99


K&E KEUFFEL & ESSER 4181-1 POCKET SLIDE RULE WITH GREEN CASE & BOX

$18.88


K & E Keuffel & Esser 4181-1 Engineering pocket slide rule w/ leather case 1947

$19.99


Vintage Keuffel & Esser Co. Slide Rule

$9.99


K&E Keuffel & Esser 4081-3 Slide Rule With Broken Leather Case FREE SHIPPING

$15.20


Vintage K&E KEUFFEL & ESSER CO Slide Rule Wooden N4053-3 W/ Leather Case

$12.50


Vintage Keuffel & Esser 4070-3 12" Slide Rule in Hard Case

$19.99


K+E Slide Rule Manual No. 4081 Log Duplex Decitrig Keuffel & Esser Co. 1947

$12.85


K & E 4081 - 3 Log Log Duplex Decitrig Slide Rule w/Case Keuffel & Esser

$34.95


1900 Pat. Slide Rule Keuffel & Esser Co. NY W/Leather Case

$20.00


Keuffel & Esser 4181-1 Pocket Slide Rule W/ Case Vintage 1966

$32.99


Vintage Slide Rule with Case, Log Log Duplex Keuffel & Esser Book

$59.00


K&E (Keuffel & Esser) No. 68 1100 Deci-Lon Slide Rule w/ Case, Book & Box

$75.99


Vtg K&E KEUFFEL & ESSER CO Slide Rule Manual Lot N4058W N4053 41875 68 2047

$19.99


1947 Keuffel & Esser K+E N4081-3 Log-Log Duplex Decitrig Slide Rule With Case

$24.99


Vintage Keuffel & Esser Co 4081-3 Slide Rule with Black Leather Case Used

$17.99


Vintage Keuffel & Esser K&E 4081-3 Duplex SLIDE RULE in Case with 2 Books

$19.99


Vintage K&E Keuffel & Esser 12 Inch Slide Rule 4088-3 Half of CaseĀ GREAT SHAPE!

$13.50


K & E / Keuffel & Esser 4139 Cooke Radio Slide Rule - Vintage Calculator

$26.95


Vintage K & E Beginners Slide Rule 4058w Keuffel & Esser, Leather Case in EVC

$6.95


VINTAGE KEUFFEL & ESSER CO. N.Y. SLIDE RULE 4070-3, W/ LEATHER CASE "USA"

$11.99


KEUFFEL & ESSER SLIDE RULE WITH LEATHER CASE # 681210

$47.56


KEUFFEL & ESSER CO., K&E DECI-LON 68-1100 SLIDE RULE & CASE, c1961 GUARANTEED

$18.40


Vintage Keuffel & Esser K & E Beginners Slide Rule 4058 W Slide Rule with Case

$12.00


K&E Slide Rule 68-1251 In Leather Case Keuffel & Esser 1947 Loop Hanger

$19.99


Vintage Keuffel & Esser Co Log Log Duplex Trig Slide Rule 4080-3 + Case USA

$18.00


Vtg. Keuffel & Esser N4081-3S Log Log Duplex Decitrig Slide Rule w Case/Box/Inst

$12.50


Keuffel & Esser K & E 4053-3 Slide Rule 10 Inch Leather Case Made In U.S.A.

$14.59


Vintage Keuffel & Esser Log Log Duplex Decitrig 4081-3 K&E Slide Rule w/ Case

$29.99


2 Vintage Antique K&E Keuffel & Esser Chemist's Duplex Slide Rule 4071-s W/ Case

$60.00


VINTAGE 1947 K & E KEUFFEL & ESSER SLIDE RULE 4181-3 in Wentworth Institute Case

$24.95


Vintage 1947 Keuffel & Esser Log Log Duplex Decitrig 4081-3 K&E Slide Rule

$34.00


K&E Keuffel & Esser Engineering Slide Rule & 1 Case - Model 4088-3 Pat. 1908

$9.95