Skip to main content

Features

Steam Turbines

A Review of their Development

Laying Concrete under Water

Improving the Steam Engine

Oxhydric Process of Cutting Metals.—II

Torches and Machines that Cut Steel

By E. F. Lake

To Determine Size of Gas and Oil Engine Cylinders

By Newton Wright

Ancient Marbles used in Modern Times

The Sources of Ancient Stone Supply

By Mary Winearls Porter

Kieselgur or Infusorial Earth

Its many Varied uses

By O. Bechstein

A Novel Traveling Railroad Gas-Holder

An Indian Gas Supply Car

Recuperation of Benzine

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

The Aeronautic Exposition in Frankfort

A Remarkable Undertaking

Suction-Gas Tug Boats on the Rhine

The Atomic Hypothesis

The Experimental Evidence in its Support

By R. Ehrenfeld

Canning and Preserving Fruit.—III

Hints for the Housewife

By Maria Parloa

How to Join Electric Wires

Suggestions for the Amateur

The Egner-Holmstrom Telephone Apparatus

Topographical and other Models

How They are Made

By Stanley C. Bailey

The Sixth Conference of the International Commission of Meteorology

Deep Sea Sounding Apparatus

Some Recent Improvements

By E. Moll

The Dangers of Traffic

The Psychology of Accidents

Calendar for 200 Years

From the Introduction of New Style

By Charles E. Benham

Engineering Notes

Trade Notes and Formulæ

Science Notes

Departments

    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    August 21, 1909

    20% off for Memorial Day