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Blasting Work in the Danube

The Origin of the Steam Engine

Hydraulic Machine Tools

New Rig for Steamers

Say 368 feet over all, to have four iron or steel masts

By R. B Forbes

Marot's Improved Grain-Separating Machines

Ulmann's Waste Water Absorber


De Redon's Round Electric Bell

Influence of a Vacuum on Electricity

Intermittent Flushing Apparatus

Electricity on Tramways

Note on Terrestrial Radiation

By John Tyndall

The Applications of Electricity

Electricity in Gold Mining

Enamel Photography


On Bisulphide of Carbon

By L. H. Friedburg

Soda in Milk

By W. Bachmeyer

Photo Printing and Photo Plates

Methods of Intensifying and Reducing Gelatine Plates

By E. H. Farmer


Prize Essay of the Albany Medical College Alumni Association, Feb., 1882. V.

By James H. Salisbury

On Hæmatoxyleine and Hæmateine

By E. Erdmann and G. Schultz

Yellowstone National Park Geyser Waters

By Henry Leffmann

Cairene Meshrebiyehs and Egyptian Tapestry

Science against Darkness

Rescue from Heard island, Near Kerguelen

Side Show Science

Garden Destroyers

(vespa crabro and v: vulgaris)

By Hornets and Wasps

Whale Skeleton From Gravel on the Line of the Canada Pacific Railway, Near Smith's Falls, Ontario

By J. W. Dawson

Curious Facts about Animals

Recent Exploration of the Volcanic Phenomena of the Hawaiian Islands

By C. E. Dutton

The Tendons of Whales



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April 28, 1883

Of Shamrocks and Science

Happy St. Patrick’s Day