This weekend I found a nice old depression era textbook. It’s from The Henry Ford Trade School and is loaded with “Greatest Generation” tool know how and nostalgia. “Henry Ford Trade School was founded in 1916 to train mechanics and make it possible for a young boy to partially support himself while attending school. It […]

Below is a micrometer caliper. In particular , this is a one inch outside micrometer caliper. It measures outside dimensions from zero to one inch by thousandths of an inch. A two inch outside micrometer would measure from one to two inches, and a three inch from two to three inches, etc. This particular “mic” was […]