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Features

New System for Locating Bullets

Pineapple Fiber

Testing a Boiler to Destruction

Repeating Bells in Clocks

First Peanut Oil Factory in the United States

Philadelphia Textile School

Enlargement of the Port of Marseilles

The Comparative Advantages and Disadvantages of Steam, Compressed Air and Electricity for Power Purposes in Coal Working, with Special Reference to Coal Cutting and Haulage

(The Iron and Coal Trades Review Prize Essay.)

By G. E. J. McMurtrie

Electrical Notes

Selected Formulæ

Miscellaneous Notes

Scenes around Pnom-Penh, the Capital of Cambodia

The Musee Social and its Work in Switzerland

Things American

By Marcus Benjamin

Alfred Kocher and his Pace Makers

The Tomato Grafted upon the Potato

The Weeping Spruce

Marine Photography

A New Steam Propelled Aeroplane

Increase of Rain in Modern Times

Last Issue of the Year—Renewal Subscriptions now Due

Patents!

The Scientific American Supplement. Index for Vol. 44

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    December 25, 1897

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