Murray, Mr., description of his suggested slide valve, [113]
N.
Newcomen, Thomas, and John Cawley, turn their attention to the practicability of applying steam engines to the drainage of mines, [61]
Newcomen, Thomas, his construction of the atmospheric engine, [63]
"Novelty," description of the, [175]
O.
Ogle, Mr., his steam carriage, [239]
Oldham, Mr., his modification of the self-regulating furnace, [132]
P.
Paddle-wheel, the common one, [257].
Mr. Morgan's patent one, [259]