Scientific American Magazine Vol 103 Issue 23

Scientific American Magazine

Volume 103, Issue 23

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Features

Johnstone's Fate and its Lesson, Studies of Root Life, and more

Electricity- December 3, 1910

Aeronautics- December 3, 1910

Science- December 3, 1910

The Award of the Scientific American Medal

An Annual Medal For The Best Device For Conserving Human Life And Limb

Electric Hot-Water Supply System

Joseph B. Baker

Motor-Driven Plow and Cultivator

H. E. Miller

The Life of the Deep Sea

The Modern Science Of Marine Biology

Herbert T. Wade

Scientific Breeding of Animals and Plants

M. Hamilton Talbot

A Typewriter that Operates Without Noise

Printing By Pressure Rather Than By Impact

Simple Spectroscope for Studying Bright-Line Spectra

Howard B. Dailey

Electrical Projection Experiments.-II

Simple Experiments with Carbonic Acid Gas

A. J. Jarman

Departments

The Heavens in December

Recently Patented Inventions- December 3, 1910

Index of Inventions- December 3, 1910