Snow suit: Obviously an outgrowth of medieval torture devices, the snow suit (bulky one-piece leggings, coat and hood) offered protection from the elements in the days when school buses were known ...

An early computing device invented by Reverend William Oughtred in London in the 17th century. Primarily for multiplication and division, the slide rule has two stationary sets and one sliding set ...

A 1930s high school class making electrical calculations on their slide rules. Note the demonstration-sized rule hanging on the blackboard. Keuffel & Esser Co., Drawing Instruments and Materials for ...

You have to really like slide rules to build your own, including the necessary artwork. Apparently [Dylan Thinnes] is a big fan, based on this project he began working on a few months back. The res… ...

Walter Shawlee displayed some of his slide rules at his home in British Columbia in 1999. Beside him was a reproduction of Robby the Robot, a character in the movie “Forbidden Planet.” Ms ...