triangular cap that doubles as a scale ruler graded with imperial and metric scales. Aimed at architects and engineers, who use pens and rulers to mock-up plans and sketches, the fountain pen ...

If you use rulers on a daily basis or need to upgrade your existing measuring stick, you might be interested in the T3 scale aluminum metal ruler set which comprises of three rulers that combine ...

An archaeologist uses a ruler to measure a piece of leather. He measures using centimetres and tenths ... measuring equipment such as weighing scales, measuring jugs and rulers.