How to Use a Slide Rule, Eugene* Dietzgen Co. -1942 owner's and user's manual F*S Typewriter drive belts The frame may possibly be

The frame may possibly be original as well

My Aunt Pauline gave this to me when I was in High School in 1967

DC11~16V 4A

1885 About 1 3/8" wide x 5" long Excellent condition sharp and works

It's bare brushed aluminum and stands approximately 9 inches when all nestled together

How to Use a Slide Rule, Eugene* Dietzgen Co. -1942 owner's and user's manual F*S Typewriter drive belts The frame may possibly beThis is a high quality reprint of the Eugene Dietzgen Co. "How to Use a Slide Rule" manual dated 1942. The Slide Rule is an instrument for facilitating calculations and is an indispensable aid not only to the engineer and scientist with their involved problems, but also to the accountant, statistician, manufacturer, merchant, importer, teacher, student, or anyone who has calculations to solve. This is the complete Eugene Dietzgen Co. manual, note that