Machinery
Free to read here, from Project Gutenberg.
Modern Machine-Shop Practice, Volumes I and II
Mechanics: The Science of Machinery
On the Economy of Machinery and Manufactures
The Romance of Modern Mechanism
An Introduction to Machine Drawing and Design
A New Century of Inventions
Every-day Science: Volume 6. The Conquest of Nature
Machines at Work
The Voice of the Machines
Ouroboros; or, the mechanical extension of mankind
Hephæstus
Dynasty of the lost