BALLISTIC CHRONOGRAPH
James Pitkin & Co, London, C 1915, Le Boulenge type.

This clever device measures the speed of bullets.

Twelve of our favorite machines profiled here.

 In Robert V. Jacobs’ biography, Lewis R. Heim, Mechanical Genius of Modern Industry,  Jacobs describes Heim as “a mechanical genius and industrial entrepreneur whose many inventions helped usher in the […]

18 inches in diameter, and it stores 500 KB.

Blickensderfer Manufacturing Company, Stamford, CT 1893 Blickensderfer typewriters have an unusual claim to fame: they’re extremely portable. Advertisements for the Blick in the late 1800s featured a series of characters:   […]

Let’s assume that you haven’t ever considered how to make a slide rule.  We have a machine at the Museum that did make them. It worked for the Keuffel & […]

The Machine of the Month for June 2021 is the Bentley engine, c. 1930.