Newcomen atmospheric engine first erected near DudleyJan 1, 1712Labels: Newcomen engine, Dudley, Mine pumpingBritannicaScience Museum
Watt’s separate condenser patent enrolledApr 29, 1769Labels: James Watt, Separate condenser, Patent 913James WattWatt Engine
Boulton and Watt form engine partnershipJan 1, 1775Labels: Boulton &, Matthew Boulton, James WattBoulton WattWatt Engine
Parliament extends Watt’s patent protection to 1800Jan 1, 1775Labels: Act of, Watt patent, Boulton &James WattWatt Engine
First large Watt engines enter regular serviceMar 1, 1776Labels: Watt engine, Bloomfield Colliery, Stratford-le-BowWatt Engine
Pickard receives crank patent for steam enginesAug 23, 1780Labels: James Pickard, Crank patentNewcomen EnginePickard
Watt patents sun-and-planet rotary motionFeb 23, 1782Labels: Sun-and-planet gear, James WattJames WattSun Planet
Watt patents double-acting and expansive improvementsJul 4, 1782Labels: Double-acting engine, Patent 1321, Expansive workingBritannica 1911LOC
Watt invents the parallel motion linkageJan 1, 1784Labels: Parallel motion, James WattParallel MotionBritannica 1911
Trevithick demonstrates high-pressure “Puffing Devil”Dec 24, 1801Labels: Richard Trevithick, Puffing Devil, High-pressure steamHistory comTrevithick
Lean’s Engine Reporter begins publishing Cornish performance dataJan 1, 1810Labels: Lean s, Cornish enginesLean Reporter
Stockton and Darlington Railway opens with steam tractionSep 27, 1825Labels: Stockton &, Steam traction, Public railwayBritannicaLocomotion 1
Rainhill Trials validate locomotive power for inter-city railOct 6, 1829Labels: Rainhill Trials, Stephenson sRainhillRail GB
Liverpool and Manchester Railway opens as steam-worked inter-city lineSep 15, 1830Labels: Liverpool &, Inter-city railL MRL MR Opening