SA Supplements Vol 75 Issue 1946supp

SA Supplements

Volume 75, Issue 1946supp

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Features

A Self-Starting Single Phase Induction Motor—II

Directions for its Construction

Charles F. Fraasa

An Electrical Phenomenon

Locating the Friction in our Transportation System

Why our Freight Traffic Costs us Five Times as much as National, State and Local Taxes Combined

R. H. Rogers

An Electric Dating Stamp

Gain of Definition by moving a Telescope

A Typewriter for Music

A Useful Auxiliary for Musicians

The Sensitiveness of the Human Eye

A Simple Formula for Computing Gyroscopic Forces in an Aeroplane

E. V. Huntington

The Rotogravure Quick-Printing Process and its Possibilities

Speed and Efficiency Gained by Modern Methods

The Structure of the Atom—III

The Physical and Chemical Properties of the Atom Explained in the Light of Modern Theory and Experiment

J. J. Thomson

Some Indirect Causes of Imperfect Interchangeability

The Fit of Machined Parts often Disappointing

A. Whitehead

Science in Postage Stamps

Fresh Light on the Cause of Cancer

E. F. Bashford

The Influence of Atmospheric Moisture upon Automobile Motors

The Population of New York State

Control Reservoirs and the Dayton Flood, Knowledge and Morals and more

Dogs for the Dutch Army, The Coking of Coal at Low Temperatures

W. J. L. Kiehl