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Features

Coal-Dust Fuel

The Kind-Chaudron Process for Sinking and Tubing Mining Shafts

By Julien Deby

Progress of American Railways

Locomotive Crossheads

Fire-Proof Flooring

The Best Foot Walk Pavements

Forty-Two Inch Car-Wheel Truck

The Great Tunnel

On the Priming of Steam Boilers

By William Major

Improvement in the Manufacture of Barrels

By Ralph M. Munroe

The Uchatius Gun

Pipes for Gas and other Purposes

Service Pipes

Chemistry and Mineralogy

Cleansing Tissues With Mineral Oils

By M. Zaengerle

Fixing Indigo on Tissues

By M. Prud*amp*apos;homme

Preparation to Serve Instead of Argol, in Dyeing Wool With Colors Requiring the Use of the Salts of Tin

By M. Malfait

A New Stimulant—Pitury

Black Oxide of Manganese as a Disinfectant

By J. De Valmagini

Chemical Notes

The Flow of Solids

By Lewis S. Ware

Floral and Horticultural Notes

The Liriodendron

The Phosphates

On Extirpation of Injurious Insects

By Andrew Murray

On Ground-Air in its Hygienic Relations

By Max Von Pettenkofer

Photographic Printing Processes

By C. Baumann

Surgical Treatment of a Horse

Metallotherapy

Physiology

Proving the Compound Nature of White Light

Photographic Society of France

Pressure filter

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