Life of Richard Trevithick

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Return to Cornwall, 1810 Wheal Prosper pole vacuum engine, 1811 Cylindrical boilers, 1811 Steam pressure, 100 lbs. Duty of engine, 40 millions — Expansive working, 1811 Herland high-pressure pole puffer, 1815 Steam ...