Antique 1908 K&E KEUFFEL & ESSER SLIDE RULE 4088-3 Polyphase Duplex w CASE

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Antique 1908 K&E KEUFFEL & ESSER SLIDE RULE 4088-3 Polyphase Duplex w CASE:
$22.99

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Antique 1908 K&E KEUFFEL & ESSER SLIDE RULE 4088-3 Polyphase Duplex w CASE 

Measures about 12\" long, used.

Includes the following:

• Keuffel & Esser K&E 4088-3
• Original Case
• Used condition but working fine

Let us know if you have any questions.

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Antique 1908 K&E KEUFFEL & ESSER SLIDE RULE 4088-3 Polyphase Duplex w CASE:
$22.99