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Features

The Corn-Canning Industry

Pottery Products of the United States

Color Analysis of Illuminants

Brazing Cast Iron and other Metals

By F. N. Blake

The Lodge “B” Spark High-Tension Ignition

A New Type of Ignition Syatem

Low Temperature

Its Mechanical Production

By Sydney F. Walker

Radium in Rocrs and in the Ocean

A New Geological Theory.

By John Joly

Liquid Crystals and Solid Solutions

By O. N. Witt

Casting Pipes in Permanent Molds

A New Process of Manufacture

By Edgar A. Custer

Economy of a Self-Contained Engine and Boiler

Laws of Flight

By F. W. Lanchester

American Petroleum-One of our Best Assets

The City of Lyons's New Current Supply

Facing Sands and Their Use

Variations in Faces and How to Obtain Them

By Walter J. May

A Kerosene Motor Barge

A New Craft for Canals by Our English Correspondent

The Scientific Study of Heredity

The Skin Moult of a Caterpillar

The Changes From Caterpillar To Moth

By William Farben

Recent Astronomical Research

A Record of Recent Progress

By C. G. Abbot

The uses of Calcium in Alloys

By Arthur E. Pratt

Engineering Notes

Science Notes

Trade Notes and Formulæ

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    December 05, 1908

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