Valves, Watt's method of working the, [109]
W.
Walker and Rastrick, Messrs., apparent discrepancy of their estimated expense of locomotive power, [189]
Washborough takes out a patent for Watt's invention of the rotatory motion, [100]
Water, sea, injurious to marine boilers, [245].
How remedied by blowing out, [246]
Watt, James, important discoveries of, [39].
His acquaintance with Dr. Robinson and first experiments on the steam engine, [73].
His subsequent improvements, [75].
His method of condensation, [76].
His first introduction of the air-pump into the steam engine, [77].
Further improvements, [78].
His difficulties, [78].
Description of his single-acting engine, [80].
His introduction to Dr. Roebuck, [88].
Erects his first engine on the estate of the Duke of Hamilton, [88].
After further improvements, obtains a patent for this engine, in conjunction with Roebuck, [88].
His difficulties owing to Dr. Roebuck's failure, and subsequent connexion with Bolton, [88].
Obtains an extension of his patent, [89].
Ingenious invention of, to determine the rate of remuneration he should receive, [89].
His invention of the parallel motion, [95].
His method for producing a rotatory motion anticipated by Washborough, who takes out a patent for it, [101].
His contrivance of the governor, [104].
His method of working the valves, [109].
His suggestion of the D valve, [113]
Wood, Mr. Nicholas, [168]
Woolf, Mr., his improvements in the steam engine, [134].
Obtains a patent for the double-cylinder engine, [137]
JUST PUBLISHED, IN ONE VOLUME, 8VO.