John Vallance

A Letter to M. Ricardo, in Reply to His Letter to Dr. Yates, on the Proposed Method of Pneumatic Transmission, or Conveyance by Atmospheric Pressure

John Vallance

Out of Stock

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

$18.24

A Letter to M. Ricardo, in Reply to His Letter to Dr. Yates, On the Proposed Method of Pneumatic Transmission, Or Conveyance by Atmospheric Pressure

John Vallance

$30.95

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

$18.78

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

$18.28