Keuffel &Esser Co. Teaching Slide Rule Polyphase 7 feet long - $200

condition: good

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I have had it for 30 years and it needs a new home. $200 or best offer.

post id: 7985800290

posted: 2026-10-18 15:37

updated: 2026-10-21 16:28

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Keuffel &Esser Co. Teaching Slide Rule Polyphase 7 feet long -...

I have had it for 30 years and it needs a new home. $200 or best offer.