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Features

Some Celebrated Long-Span Stone Arch Bridges

Enameling.—I

General Specifications for a Gasoline Motor Car

By H. Ward Leonard

Novel Power Storage

The Hering Variable Speed Gear

The Prat Pressure Transformer

The Horse Power of Gas Engines

The “Boreas” Air Compressor

Petroleum from the Beaumont, Texas, Field

By Clifford Richardson and E. C. Wallace

Contemporary Electrical Science

Production of Paints in Ancient Times

Electrograph for Atmospheric Discharges

The Roze “Aviator”

An Effective Depilatory

Luminosity Obtained from Certain Organic Compounds

Anthropology

By D. J. Cunningham

A Very Ancient Method of Paddle Propulsion

The Phosphates in Strawberry Culture

Japanese Plants in American Gardens

Sorghum Sirup Manufacture

By A. A. Denton

Trade Suggestions from United States Consuls

Trade Notes and Receipts

Departments

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    Scientific American Supplements Volume 52, Issue 1349supp

    Think Outside the Gift Box