Keuffel & Esser
K&E
MODEL ????
Slide Rule
PAT .JUNE 1900
+
2 BOOKS
Sold as pictured, untested, and AS IS
Keuffel & Esser K&E MODEL ???? Slide Rule PAT .JUNE 1900 + 2 BOOKS
$0.99
Country/Region of Manufacture
United States
condition
Used