Although people tend to have mixed feelings about a global economy, it has brought a lot of exciting products from around the world. A case in point is the Mini-Tach from Retrogauge of Australia.

We know that the rated rotational speed of an industrial motor is based on two fixed factors: the number of poles and the supply frequency. So if you install a 4-pole, 480V motor in a 480V, 60Hz ...

With more and more new-car buyers choosing automatic transmissions over manuals, why do tachometers still have such a large presence on dashboards? The tachometer displays engine speed in revolutions ...