No Serial Number
Clark McCoy’s K&E Catalogs – 4058 Information page
Catalog Number: MHF-33, Location MHF-D1
Keuffel & Esser 8858 10″ Mannheim Beginner’s Slide Rule WWII special 1944 – MHF-32
Slide Rules and Other Things
Slide Rules and Other Things
No Serial Number
Clark McCoy’s K&E Catalogs – 4058 Information page
Catalog Number: MHF-33, Location MHF-D1