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Features

The Holly System of Water Supply and Fire Protection for Cities and Villages

Rock Boring Machinery

Locomotive Versus Horse Power

The Abbott Puddling Furnace

Progress of Artillery

Compressed Air in Mines

By M. G. Johnson

New Torpedo Boats

Rocket Firing

How to Get Boat Lines

By R. Cooper

Hydraulic Riveting Machines at the Paris Exhibition

The Largest Steam Hammer in the World

The Paris Exhibition.—Lamm's Fireless Locomotive

Ore Washing Apparatus

Progress and Improvements in Gas Manufacture

Artesian Wells

Labor in Wales

Histology and the Cellular Theory

By Edouard Fourni*amp*eacute;

Temporary Kleptomania

By Hugh Miller

Milk a Solvent of Quinine

Chemical News Notices

The Antidote for Mercury and Lead Poisoning

The Products of Combustion

By Thomas Wills

Composition of Potatoes

The Rivers Parana and Uruguay

By John J. J. Kyle

Volvox Globator

By Alfred W. Bennett

Results of the Recent Eclipse

Currant Worms

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