When Asst. Teaching Prof. Jonathan Perez de Alderete took the Introduction to Mechanical Engineering course at UMass Lowell as an undergraduate student 13 years ago, he learned how to build a windmill ...

Here is a two-part Navy training film from 1953 that describes the inner workings of mechanical fire control computers. It covers seven mechanisms: shafts, gears, cams, differentials, component ...

A potentiometer is a three-terminal resistor with a rotating (as in this instrument) or sliding contact that forms an adjustable voltage divider. This example has a front bearing plate of gold-colored ...