Chances are you already need a steel ruler for your fixing and making tasks, so why not use one that can do much more than ...
If the response to our article on the Tiruler is anything to go by, there's a lot of interest in folding-ruler multitools.
Transparent acrylic ruler, with clear scale, with cm and inch scales, measuring range 14cm. The ruler has a magnifying glass function, the magnification is 2x, and there is a circular magnifying ...
An archaeologist uses a ruler to measure a piece of leather. He measures using centimetres and tenths of centimetres. The leather measures 3.3cm. A thermometer is set out in intervals of tenths of ...
Once the scale of the map is known, it is possible to measure the distance between two points. The easiest way to do this is to measure the straight-line distance using a ruler, then convert it ...