Volume 102, Issue 26
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Features
Engineering, Electricity, Science
The Wearing Qualities of Manganese Steel
Modern Steel Lock Bar Pipe Construction
The Contagious Diseases of Metals
The Researches of Prof. Ernest Cohen
Independence Day Casualties
The Aviation Meet at in Dianapolis, Wanted Information About Dishonest Patent Schemes
The German Dreadnought Nassau
The First of the German Fleet of Dreadnoughts to be Completed
An English Judicial Opinion of Complex Patents
Hamilton's Round-Trip Aeroplane Flight from New York to Philadelphia
A Remarkable Cross-Country Flight
New Filtered Water Supply for the City of Pittsburgh
How the Allegheny River Water is Purified and Delivered into the City Mains
Geissler Tubes from Electric Light Bulbs
Wandering Chemicals
Device for Testing Electric Wiring
Construction of a Simple Electrolytic Interrupter
An Electroplating Outfit
With Practical Working Formulae