THE STEAM-ENGINE.

A SKETCH OF THE LAWS OF HEAT AND PNEUMATICS; AND
A CRITIQUE ON M. ARAGO'S "ÉLOGE OF WATT."

BY HUGO REID,

Member of the College of Preceptors, Author of the "Elements of Astronomy,'
"Elements of Physical Geography," &c.

"

ILLUSTRATED BY FORTY WOOD ENGRAVINGS.

THIRD EDITION, REVISED AND IMPROVED.

LONDON:

GROOMBRIDGE & SONS, 5, PATERNOSTER ROW.

1851.