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Features

Good Doctrine in Regard to Patents

Smokeless Powder—The Explosives of the Past and of the Future

Laddering a Tall Chimney

The Ship's Chronometer : Its History and Development

By Henry Dent Gardner

Potash and Soda for Washing Woolen Yarn and Cloth

Preparation of Cereals for Brewing

By A. Perry

Improved Automatic Tension for Driving Ropes

Refined Wool

By E. J. Fischer

Automatic Heating of Wines

Electric Furnaces

By E. Taussig

Electric Launches at the Edinburgh Exhibition

The Arc Light for Projection

By L. H. Laudy

Fishery Sketches

The Horse's Hoof

By Williamson Bryden

Bathing and Boating Accidents

By Irving C. Rosse

Simple Experiments in Physics

Hypnotism in Paris

Recent Synthetical Experiments in the Sugar Series

The Carbonized Refuse System for Sewage

A Test Apparatus for Generator Gases

Hydrogen Amalgam

Pain Killers

Building Plans and Specifications

Useful Engineering Books

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    June 28, 1890