SA Supplements Vol 68 Issue 1755supp

SA Supplements

Volume 68, Issue 1755supp

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Features

Steam Turbines

A Review of their Development

Improving the Steam Engine

Laying Concrete under Water

Oxhydric Process of Cutting Metals.—II

Torches and Machines that Cut Steel

E. F. Lake

To Determine Size of Gas and Oil Engine Cylinders

Newton Wright

Ancient Marbles used in Modern Times

The Sources of Ancient Stone Supply

Mary Winearls Porter

Kieselgur or Infusorial Earth

Its many Varied uses

O. Bechstein

Recuperation of Benzine

Results of Tests on Several Grades of Fuel in a Producer-Gas Power Plant

A Novel Traveling Railroad Gas-Holder

An Indian Gas Supply Car

The Aeronautic Exposition in Frankfort

A Remarkable Undertaking

The Atomic Hypothesis

The Experimental Evidence in its Support

R. Ehrenfeld

Suction-Gas Tug Boats on the Rhine

Canning and Preserving Fruit.—III

Hints for the Housewife

Maria Parloa

The Egner-Holmstrom Telephone Apparatus

How to Join Electric Wires

Suggestions for the Amateur

Topographical and other Models

How They are Made

Stanley C. Bailey

Deep Sea Sounding Apparatus

Some Recent Improvements

E. Moll

The Sixth Conference of the International Commission of Meteorology

The Dangers of Traffic

The Psychology of Accidents

Calendar for 200 Years

From the Introduction of New Style

Charles E. Benham

Science Notes

Trade Notes and Formulæ

Engineering Notes