Keuffel & Esser Polyphase Slide Rule N4053-3 with leather case vintage collectible measuring instrument
Keuffel & Esser Polyphase Slide Rule N4053-3 with leather case vintage collectible measuring instrument
Regular price
$78.00 CAD
Regular price
$86.00 CAD
Sale price
$78.00 CAD
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Keuffel & Esser Polyphase Slide Rule N4053-3 with leather case vintage collectible measuring instrument