Country of Origin United States

Check the listing for details. K&E Polyphase slide rule (sliderule) 4053-3; with case; mahogany. Condition: Used, Made in United States. Listed at 40.00 USD. The K&E Polyphase slide rule 4053-3, manufactured in the United States, comes with a case and is made of mahogany. This engineering tool, also known as a sliderule, is a collectible item from the Science & Medicine era of 1930 to now. It is a precision instrument used for mathematical calculations and engineering tasks, reflecting the craftsmanship and design of its time.

$24.00
$40.00