A maid feeding young children. The boy drinks from a cup and is watched by a dog. The maid holds a spoon of soup to the young girl's lips.

Maid Feeding Children

A maid feeding young children. The boy drinks from a cup and is watched by a dog. The maid holds a spoon…

"Method of drying out a generator by short-circuiting the armature leads through a water rheostat." —Croft 1920

Method For Drying Out a Generator

"Method of drying out a generator by short-circuiting the armature leads through a water rheostat."…

This is an illustration of a baseball game. Baseball is played on a large field that has four bases laid out in a square, positioned like a diamond, whose outlines mark the course a runner must take to score. Teams alternate positions as batters and fielders, exchanging places when three members of the batting team are put out. Batters try to hit a pitched ball out of reach of the fielding team and complete a circuit around the bases in order to score a run.

Baseball Game Illustration

This is an illustration of a baseball game. Baseball is played on a large field that has four bases…

"Configuration used to wash out a radiometer using oxygen. A, bulb containing perchlorate of potash; B, charcol; C, radiometer; D, outlet; E, used for examing the gas given off." —The Encyclopedia Britannica 1910

Washing Out a Radiometer

"Configuration used to wash out a radiometer using oxygen. A, bulb containing perchlorate of potash;…