John Vallance
A Letter to the Kensington Canal Company on the Substitution of the Pneumatic Railway for the Common Railway by Which They Contemplate Extending Their Line of Conveyance
John Vallance · 2020
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
Canals -- EnglandRailroads -- EnglandRailroads, Atmospheric