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Scientific American Magazine Vol 100 Issue 9

Scientific American Magazine

Volume 100, Issue 9

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Features

Double-Side-Door Trains on the Subway

Engineers Report in Favor of Lock Canal

Consolidation of the Naval Bureaus

Electricity

Science

Engineering

A "Putting-On" Tool

The Exploration of the Upper Air by means of Ballons Sondes

S. P. Fergusson

Impressions of American Inventors--I. Thomas A. Edison

Motoring on Runners

How To Drill Through Brick and Soft Stone

B. A. Johns

Another Method of Reducing the Range of a Springfield Rifle

George E. Huggins

Home-Made Adjustable Socket for Tungsten Lamps

John A. Bergstrom

Bicycle Coasting Sled

E. E. Clock

Handy Man's Workshop

Furnishing the Workshop.--III

I. Q. Bayley

Departments

Correspondence

The Heavens in March

Patents

Index of Inventions

New Books, Etc.

Notes and Queries

Recently Patented Inventions