Luke Herbert. The Engineer’s & Mechanics Encyclopedia, Vol. 2 , 1849 (p. 333)
The above press won a prize for it because it demonstrates the five mechanical powers of a simple machine: the wheel and axle, lever, wedge, inclined plane, and pulley. Sometimes a screw is also considered a sixth basic function, although it is essentially an inclined plane wrapped around a cylinder. Herbert’s article on presses also illustrates a number of high tech screw presses used by bookbinders from this time. The state of the art information contained within this book is reflected by its binding: my 1840 edition is in a caoutchouc binding, which was invented in 1836.