1930\'s Keuffel & Esser K&E 5\" Polyphase Duplex Slide Rule 4088-1 w/ Leather Case


1930\'s Keuffel & Esser K&E 5\

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1930\'s Keuffel & Esser K&E 5\" Polyphase Duplex Slide Rule 4088-1 w/ Leather Case:
$16.95


k&e 5\" polyphase duplex slide rule

no. <4088-1>

construction and model date it to sometime in the mid to late 30\'s

rule is stiff, but moves well. brackets have finish wear and a touch of light rust on one

all glass cursor is broken on one side and has been repaired. it still moves relatively well

leather case is worn but in nice used condition

patent dates & such are in picturesplease review all photos for full condition

free US shipping or no international handling fee!

*****details, details, details.... please read below*****

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1930\'s Keuffel & Esser K&E 5\" Polyphase Duplex Slide Rule 4088-1 w/ Leather Case:
$16.95

Buy Now