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.
Titaner's new Mix 3.0 ain't your average ruler. The clever dual-scale device boasts attributes such as an extendable measurement system, a measuring caliper, a magnetically retained pen, and a slide ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This ten-inch mahogany linear slide ...