CONTENT Si

WATER and FIRE ENGINES;

The Theory and Structure of Newsham’sWater-Engine explained. , 69, 70

The Method of converting a Common Pumpto the same Use, 7 1 ,. 72

New com em’s Fire-Engine explained ,

74—84 .

Capt. Saver y’s Fire-Engine, and its Theory>

85, 86

Mr. Paym t e’s New Fire-Engine described*

87—90

The Nature of the Æolipile explained,

90—93

The prodigious Force of Flafic Vapour , or

Steam calculated , 90 97

A Proposal for a Steam-Gun, 96

The TIDES.

The Theory of the Tides explained at large ,

96—111

A

3