How to Use a Slide Rule, Eugene Dietzgen Co. 1942 Slide Rule PDF owner's and user's manual PDF format Thermos • Built in 6V-20W power

• Built in 6V-20W power supply

I've used this from time to time and it still keeps my coffee hot

it's got a certain elegance about it

It has the original dust caps

or any Outdoor Trade

How to Use a Slide Rule, Eugene Dietzgen Co. 1942 Slide Rule PDF owner's and user's manual PDF format Thermos • Built in 6V-20W powerThis is a downloadable PDF and a high quality digital photo scan 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