An Investigation into the Nature of Black Phthisis
Inventors & Inventions
Inventors at Work, with Chapters on Discovery
Inventors
Invention: The Master-key to Progress
The inventions, researches and writings of Nikola Tesla
The Inventions of the Idiot
Inventions of the Great War
Inventions in the Century
The Invention of the Track Circuit
The Invention of the Sewing Machine
The Invention of Lithography
The Invention of a New Religion
Invention and Discovery: Curious Facts and Characteristic Sketches
Inventing for Boys
A Invenção do Dia Claro