You all know how powerful and varied are the effects of which steam engines are capable; with them has really begun the great development of industry which has characterised our century before all others.
Notwithstanding the work of all kinds done by steam-engines... their theory is very little understood, and the attempts to improve them are still directed almost by chance.
Authorization is only required to store your personal settings and favorites.
Log in with:
Use this code for embedding the Quote anywhere
