AHB2013q009218 Illustration from Complete, Semi-Programmed Teaching Instructions for the Use of Elementary Simplex Math Slide Rule, by Maurice L. Hartung (Santa Barbara, Calif.: Pickett, Inc., 1965) ...

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 easiest way to display a black or white slide in a PowerPoint presentation is by using keyboard shortcuts. When running a slideshow, simply press the W key for a white slide and B for a black ...