Llangennech coal, its economy, [267]

Locomotive engines, description of the "Rocket," [171].
The "Sanspareil," [173].
The "Novelty," [175].
Mr. Booth's method of using tubes to conduct heated air through boilers, [177].
Mr. Stephenson's method of subdividing the flue, [179].
Amount of fuel consumed in, [180].
Progressive improvement of, [180].
Description of an improved form of engine, [181].
Circumstances on which their efficiency depends, [183].
Experiments with, on Liverpool and Manchester railroad, [184].
Defects of, [186].
Improvement in the method of tubing, [188].
Proposed methods for working them on levels and inclined planes, [194].
Extraordinary speed and power of, [204].
Their introduction on turnpike roads, [213]

Locomotive power, expense of, [188]

Locomotive boilers, improved form of, [177]

M.

Machines, definition of, [19]

Manufactures, motions required in, [19]

Morgan, Mr., his patent paddle-wheel, [259]

Morland, Sir Samuel, his application of steam to raise water, [47]

Motion, a primary agent in the cultivation of cotton, [18].
Variety of, [19]