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Safety and Feed Apparatus for Steam Boilers

The Prevention of Scale in Steam Boilers

On the Molecular Rigidity of Tempered Steel

By D. E. Hughes

Crucible Cast Steel Stern Frames and Rudders

Swing Bridge at Hamburg

Thuillier's Screw-Cutting Gap Lathe

Continuous Press for Sugar Works and Distilleries

Sinclair's Mechanical Stoker

Safety Appliances for Buildings

The Antwerp Water Works

Nedden's “Kosmos” Ventilator

How to Season Lumber

Remarkable Australian Artesian Wells

A Review of the Doctrine of Ether Waves and of the Material Nature of Light

By Ellen R. Prescott

Step Wound Armature

The Radiation of Cold

M. Loiseau's Magnesium Lamp

Some of the Dangerous Properties of Dusts

By F. A. Abel

A New Organic Substance Sensitive to Light


A New Method for Refining and Crystallizing Starch-Sugar

By Frank Soxhlet

Bacteria in the Soil and the Air

Lime Juice: Its Properties and Uses

By Michael Conroy

The Civilized and Uncivilized Woman in Labor

The Trade in Quinine

Henry Draper

Gustave Dore

The Geology of the Quicksilver Mines of California

By Luther Wagoner

The Roman Forum at Arles, France

The Victims of Pompeii

The Zinc Industry of the West

A Balloon Exhibition in France

The Decapitated Pacha


The World as Related to the Post-Office


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