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The Roney Mechanical Stoker and Smokeless Furnace

Improved Petroleum Motor

The Light Draught Pleasure Boat Connetquot

Working Locomotives with Petroleum Fuel

By Thomas Urquhart

Refractory Materials

By T. Egleston

The Thies Process of Barrel Chlorination

By T. Egleston

Tallow Clays

By W. H. Seamon

The Toxic Principle of Pyrethrum Flowers

By Schlagdenhauffen and Reeb

Sketches in Bradford, England

Stretching of Liquids

Electric Sharpening of Files

Electricity in Warfare

By Lieut. Bradley A. Fiske

A Curious Telephone Experiment

On the Resistance of Oils and Resins to the Passage of Moisture

By A. P. Laurie

A Connecticut Peach Orchard

By J. H. Hale

Successful Swimming of the English Channel

Observations of Saturn at the Disappearance of the Ring

An Outside Passenger at Sea

By E. J. Reed

Useful Engineering Books

Ammonium Chloride from Gas Liquor

Building Plans and Specifications

Departments

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September 27, 1890

Help Us Reforest the Mississippi River Valley

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