History of the Steam Engine: From Its First Invention to the Present Time

admitted annulus apparatus applied atmosphere attached axis axle beam boiler bottom carriages cause cavity centre channel circular cock communication condenser condensing pump connecting rod construction contrivance crank descending described diameter diaphragms direction effect elastic equal escape expansive force fire fixed fluid fly wheel friction wheel fuel furnace giving motion groove heat hole hollow improvements ingenious invention Jonathan Hornblower lever loco-motive machine machinery manner means metal moving Newcomen obtained a patent opened and shut packing parallel motion pass passage piston rod placed plate pressure prevent principle produced pump purpose rack reciprocating engine revolution revolve ring Rotative Engine rotatory engine round screws segments shaft shewn side sliders sliding valve space spindle square inch steam boat steam engine steam pipe steam tight steam vessel stroke stuffing box sufficient surface temperature tubes turned upper vacuum vanes Watt Watt's weight whilst