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Popular Beverages

By P. L. Simmonds

Sulfonal, a New Hypnotic

By Edmund Charles Wendt

The French Torpedo Cruiser Condor

The Supporting Power of Soils

By Randell Hunt

Manufacture of Glass Bottles in Germany

By D. J. Partello

New Composite Electric Balance

By William Thomson

Vacuum Stove for Drying Malt

A New Electric Regulator

Motors for Naval and Military Use

By Lieut. B. A. Fiske

Lightning Protector for Telephone Apparatus

Notes on the Structure of the Quills of the Porcupine

By Edward G. Gardiner

Torpedo Marmorata

Useful Engineering Books

A New Catalogue of Valuable Papers

Building Plans and Specifications

Habit of Vespa


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June 30, 1888