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vintage SLIDE RULE: K & E 4054 IN CASE, #136538
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K&E Slide Rule N4058W Original Case complete Made in the USA (bin30)
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vintage Slide Rule: K & E 4058 family: n4058w in case missing cursor
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Keuffel & Esser Co. Slide Rule KE 12" Copyright 1947 #62 1210 With Case USA
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Vintage K&E Polyphase 10" Slide Rule #4053-3 COMPLETE Leather Case & Manual
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vintage Slide Rule: K & E 4071-3 in case cracked cursor as shown Polyphase duplx
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K & E Beginner's Slide Rule 4058 W with Original Case and Paperwork
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vintage Slide Rule: K & E 4054 in case, some damage to viewer
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