Making Machines with Levers

[William Wheeler Hubbell, authorized to apply for patents.]

United States. Congress. Senate. Committee on Patents

Kokuritsu Kokkai Toshokan shozō Meijiki kankō tosho maikuro-ban shūsei

Kokuritsu Kokkai Toshokan (Japan)

Leonardo

Leonardo da Vinci

Player Piano

Kurt Vonnegut

The economy of machinery and manufactures

Charles Babbage

[Gasoline motor-boat for customs service at Corpus Christi, Texas.]

United States. Congress. House. Committee on Appropriations

Mike Mulligan and His Steam Shovel

Virginia Lee Burton

The White Mountains (The Tripods #1)

Sam Youd

Machinerys Handbook

Erik Oberg

Knight's American mechanical dictionary

Edward Henry Knight