<  Back to Archive
Scientific American Magazine Vol 103 Issue 21

Scientific American Magazine

Volume 103, Issue 21

You are currently logged out. Please sign in to download the issue PDF.

Features

Naval Reorganization and the Coming Congress, The Aeroplane for Commercial Use, and more

Aeronautics- November 19, 1910

Science- November 19, 1910

Electricity- November 19, 1910

Parachute Clothes for Aviators, New Processes in the Manufacture of Superphosphates, and more

A Mechanical Water Recorder

An Instrument That Measures The Amount Of Water Flowing Over A Weir

"Stellite," a New Alloy

Elwood Haynes

Rules Governing the Competition for the $15,000 Flying Machine Prize Offered by Mr. Edwin Gould

What are Sun-Spots?

Illustrated With Photographs From The Yerkes Observatory

Herbert T. Wade

The New Dosne Heliograph

Jacques Boyer

Automobile Ice-Sled

Frederick K. Lord

Cutting a Worm Wheel with a Tap

J. A. Berstrom

Water-Jet Pump for Home Use, Method of Duplicating a Tapered Spindle, and more

H. B. Dailey

Ingenious Tube Expander

W. J. C.

How to Line up the Centers in a Lathe

H. D. Chapman

Departments

Correspondence- November 19, 1910

New Books, Etc.- November 19, 1910

Recently Patented Inventions- November 19, 1910

Index of Inventions- November 19, 1910

Notes and Queries- November 19, 1910