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Keuffel Esser Slide Rule


Keuffel & Esser 12.5" Slide Rule 4081-3 With Case

$20.00


Keuffel & Esser Co Log Log Duplex Decitrig slide rule. No reserve.

$15.00


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

$15.50


Vintage K&E (Keuffel-Esser) Slide Rule c.1947 Model 68 1251 Leather Case Manual

$32.99


Vintage K&E 68 1100 Deci-Lon 10 Slide Rule Keuffel + Esser Co.

$30.00


Keuffel & Esser K+E Slide Rule Paragon 60 0512-24

$17.99


Keuffel &Esser SLIDE RULE 1939 Patent

$10.25


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

$14.99


Vintage Keuffel & Esser K&E Log Log Duplex Decitrig 68 1210 Slide Rule

$21.00


KEUFFEL & ESSER DECI-LON 68 1100 SLIDE RULE & LEATHER CASE

$37.50


K&E (Keuffel & Esser) No. 68 1100 Deci-Lon Slide Rule

$34.99


Keuffel & Esser N4088-5 Polyphase Duplex Slide Rule with Leather Case

$134.00


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

$32.99


Keuffel & Esser Slide Rule 4081-3 Log Log Duplex Decitrig With Case Award Plaque

$19.95


Vintage Keuffel & Esser K&E 4081-3 Slide Rule w/ Leather Case EC

$19.95


Vintage Keuffel & Esser K&E K & E 4081-3 Slide Rule w/ Leather Case EC

$14.10


Keuffel & Esser Leather Case Outer Box Instruction Booklet for 4161 Slide Rule

$12.95


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

$17.99


VTG 1947,1961 KEUFFEL & ESSER DECI-LON SLIDE RULE W/ ORIGINAL CASE

$50.00


VINTAGE 1950s KEUFFEL & ESSER K&E SLIDE RULE 4181-3 - 085881

$25.00


Vintage Keuffel & Esser (K&E) slide rule 4092-3 with case

$9.00


Vintage slide rule Keuffel Esser K&E Polyphase Duplex DeciTrig 4071-3 #68 1497

$15.87


KEUFFEL & ESSER K&E N4053-3 SLIDE RULE with Leather Case VINTAGE 10 Inch

$24.95


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

$19.99


Vintage 1900 Keuffel & Esser Mannheim 4041 10" Slide Rule with Original Box

$18.00


VINTAGE K&E POLYPHASE DUPLEX SLIDE RULE 4088-3 - KEUFFEL & ESSER CO NY - W/ CASE

$11.95


K & E Keuffel & EsserĀ  Slide Rule Polyphase Duplex with Case & Instruction

$22.00


KEUFFEL & ESSER Co. Polyphase Slide Rule 4053-3 with Box

$12.00


VINTAGE K&E KEUFFEL ESSER 4139 COOKE RADIO slide rule Leather Class

$45.00


KEUFFEL&ESSER CO. SLIDE RULE 4081-3 LOG LOG DUPLEX DECITRIG WITH CASE

$15.99


VINTAGE K&E KEUFFEL ESSER LOG LOG DUPLEX TRIG SLIDE RULE 4080-3 W/ LEATHER CASE

$24.99


Vintage SLIDE RULE KEUFFEL & ESSER CO. WITH CASE AND BOX

$30.77


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

$32.99