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SA Supplements Vol 53 Issue 1358supp

SA Supplements

Volume 53, Issue 1358supp

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Features

The Building of a Modern Locomotive

Wheels, Frames and other parts

The Jig Habit in America

Oberlin Smith

The Practical Building of Lowland Protections

Timber Protection

Percy H. Wilson

The Position of the Engineer in Municipal Service

Alex. Dow

Direct-Driven Continuous-Current Generators for Lighting and Power

Superficial Contact Electric Railways

A Telescopic Gun-Sight

Disappearing Carriage for a 1.4-Inch Gun

Annual Report of the Secretary of Agriculture, 1901

Transparency for Certain Rays of the Sun as a Solution to the Problem of the Genesis of the Elements

A Silent Chain Gear

J. O. Nixon

The Postal Service

Selected Formulæ

Trade Suggestions from United States Consuls

Patents!

Trade Notes and Receipts