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K&E KEUFFEL & ESSER Vintage 1947 Slide Rule LEATHER CASE MODEL 4181-1 NICE ONE
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K&E Keuffel & Esser 4181-3 Slide Rule in Orange Leather case
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K&E Keuffel & Esser 4181-3 Slide Rule with Black Leather Case
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VINTAGE 1947 KEUFFEL & ESSER 4181-1 SLIDE RULE WITH CASE USA
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K&E 4181-3 Plastic Slide Rule Original Green Leather Case & BOX Keuffel & Esser
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K & E Keuffel & Esser Co. 4180-3 Slide Rule with 7 Page Manual & Leather Case
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K&E Keuffel & Esser Slide Rule Leather Sheath Case Model 4181-1 VTG Engineering
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K&E Keuffel & Esser Slide Rule Leather Sheath Case Model 4181-1 VTG Engineering
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K & E Keuffel & Esser Co. 4181-3 Slide Rule with Leather Case
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K&E 68 1100 Slide Rule w/Leather Case Keuffel & Esser Deci Lon 10
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VTG Keuffel & Esser K&E Favorite Slide Rule #4081 w/Hard Case - See Description
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Vintage Keuffel & Esser Co. K&E Slide Rule 4088-3 With Leather Case Made in USA
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LOT OF 2 Vintage K & E Keuffel & Esser Co. 4181-3 Slide Rule/ACU-MATH with Cases
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Keuffel & Esser K&E Log Log Duplex 68 1215 Slide Rule W/Leather Case Old 4081-3S
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Keuffel & Esser K&E N4080-3 Log Log Duplex Trig Slide Rule W/ Brown Leather Case
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3 VINTAGE Slide Rule K&E 4058, N4081-3 Log Duplex Decitrig 1947, Bituminous Mix
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B15 K&E Keuffel & Esser 4098 6" Pocket Slide Rule with Slip case
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K&E 68 1100 Slide Rule Leather Case Keuffel & Esser Deci-Lon 10 1961
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K&E Polyphase Duplex Slide Rule No 4071 - Copyright 1939
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K & E 1939 Manual #4070, POLYPHASE DUPLEX TRIG Slide rule, 87 pages
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KEUFFEL & ESSER 21 1/4" Mahogany Wood Slide Rule, Pat. 1934232 in Case / Boxes
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Keuffel & Esser K+E Vintage Slide Rule N-4053-3 w/ Leather Case
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Antique K+E Keuffel & Esser Wood Slide Rule Model N4041 Pat. 1900 1915
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K & E Keuffel & Esser Co. 4053-3 Polyphase Slide Rule Leather Case New in Box
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K&E Keuffel & Esser Slide Rule 4088-3 Polyphase Duplex Pat 1900, 1908, 1915
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KEUFFEL & ESSER K&E 4053-3 SLIDE RULE with Green Leather Case With Booklet
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Vintage Keuffel & Esser K+E Slide Rule 4088-3 with Leather Case -
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Keuffel & Esser Co. 7 Inch Slide Rule Case Magnifier Green Leather 4181-1 1940s
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K&E Keuffel Esser- Slide Rule W/Box and Manual- K 9 Prep- 68 1892- Desk Model
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Vintage Keuffel & Esser Vintage Slide Ruler K&E Slide Rule 046227 Rare 4081-3
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B15 K&E Keuffel & Esser Favorite 4056 Slide Rule with box case
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Keuffel & Esser 20 1/2" N-4053-3 Mahogany Wood Slide Rule in Case, Patent 1937
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K&E KEUFFEL & ESSER N-4053-3 SLIDE RULE w/Case & Box, Polyphase. USA.
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Keuffel & Esser K&E Polyphase Duplex Decitrig Slide Rule 4071-3
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Vtg Rare 1947 K&E Slide Rule 4081-3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO.
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Vintage Keuffel & Esser K+E Beginners Slide Rule, 4058W With Cover, 10 3/4”
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Keuffel & Esser K&E 20-inch "Mystery" Slide Rule w/ side K scale- Serial #924660
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Vintage K&E Keuffel & Esser Co. 1947 Log Log Duplex Vector Slide Rule 4080-3
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Very Clean K&E 68 1100 Slide Rule w/ Leather Case Keuffel & Esser Deci Lon 10
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Keuffel & Esser K+E 4053-3 Slide Rule in Leather Case, N4053-3
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K & E Slide Rule 4088-3 Stamped Dec.'08 Keuffel & Esser with Leather Sheath USA
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1947 K&E Log Log Duplex Decitrig Slide Rule No N4081 Manual Keuffel Esser
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Keuffel & Esser K+E Vintage Slide Rule N-4053-3 with Leather Case - Vintage
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Vintage 1950s K&E Keuffel & Esser Co. Log Log Duplex Vector Slide Rule 4083-3
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VTG 1961 KEUFFEL & ESSER #4158 K-12 PREP SLIDE RULE PLASTIC
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Vintage K&E Keuffel & Esser Co Slide Rule . 4056 ; 1930's (RED WOOD) in case
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Keuffel & Esser K & E N4080-3 LOG LOG DUPLEX TRIG Slide Rule & Monogrammed Case
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Vintage Keuffel & Esser K&E 10.5" Pocket Beginner's Slide Rule N4058W W/Case
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Vintage Keuffel & Esser Slide Rule With Case 4097B
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K+E 4080-3 Log Duplex Trig Slide Rule w Leather Case Keuffel Esser Vintage Used
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