Category: mechanical engineering

Trackwomen, Baltimore and Ohio Railroad, 1943.

Trackwomen, Baltimore and Ohio Railroad, 1943.

Trackwomen, Baltimore and Ohio Railroad, 1943.

Trackwomen, Baltimore and Ohio Railroad, 1943.

Unidentified riveter at Lockheed Aircraft Corp…

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

Unidentified riveter at Lockheed Aircraft Corp…

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

Anna Bland, a burner, working on the SS George…

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

Anna Bland, a burner, working on the SS George…

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

Alexander Graham Bell’s Oionos triplane,…

Alexander Graham Bell’s Oionos triplane, 1910

Alexander Graham Bell’s Oionos triplane,…

Alexander Graham Bell’s Oionos triplane, 1910

Illustration of a hydropowered perpetual flute…

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…

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