Category: mechanical engineering

Trackwomen, Baltimore and Ohio Railroad, 1943.

Trackwomen, Baltimore and Ohio Railroad, 1943.

Unidentified riveter at Lockheed Aircraft Corporation, Burbank, California, circa 1940-1945

Unidentified riveter at Lockheed Aircraft Corporation, Burbank, California, circa 1940-1945

Anna Bland, a burner, working on the SS George Washington Carver, April, 1943.

Anna Bland, a burner, working on the SS George Washington Carver, April, 1943.

Alexander Graham Bell’s Oionos triplane, 1910

Alexander Graham Bell’s Oionos triplane, 1910

Illustration of a hydropowered perpetual flute from “The Book of Knowledge of Ingenious Mechanical Devices” by Ismail al-Jazari in 1206.

Illustration of a hydropowered perpetual flute from “The Book of Knowledge of Ingenious Mechanical Devices” by Ismail al-Jazari in 1206.