I like aviator styled watches. Some of them have a a dial on the outside that can be used to compute speed/fuel supply/Oil pressure, but I have never learned how to use these functions myself.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Pickett, Inc., was a slide rule ...

A third edition, soft cover textbook titled, Slide Rule: How to Use It (Barnes & Noble Everyday Handbooks Series #254), by Calvin C. Bishop. The soft cover book has glossy front and back paper covers.