You have to really like slide rules to build your own, including the necessary artwork. Apparently [Dylan Thinnes] is a big fan, based on this project he began working on a few months back. The res… ...

Object Details maker Pickett & Eckel, Incorporated Description This yellow aluminum circular slide rule has three clear plastic indicators, one blank. The other indicator on the front is marked in red ...

BBC - A History of the World - Object : Circular slide rule/ an early calculatorThis is an early form of calculator. It is used by sliding one of the layers and then reading the corresponding ...

I HAVE read with great interest the abstract of the paper on the invention of the slide rule, by Prof. F. Cajori, which appeared in NATURE of December 30, 1909. I agree with the author in thinking ...

The center of the front is marked: CIRCULAR SLIDE RULE – dial rule (/) PICKETT. The center of the back is marked: dial rule (/) NO 101-C. A triangular Pickett logo, of the form used between 1950 and ...