Alloys
An Unlimited Field for Research and Invention
Volume 72, Issue 1872supp
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Features
Rules Governinǵ the Competition for the $15,000 Flyinǵ Machine Prize Offered
A Proposed Catalytic Furnace
Especially Designed for Heating Steel Billets
Identification of Charred Corpses by means of X-Rays
Use for Old Blueprints
Roman Ruins in North Africa
Historic Remains of an Ancient Colony by our Paris Correspondent
Horizontal Gun-Straiǵhteninǵ Machine
Stampinǵ out Yellow Fever in Brazil
A Record of Remarkable Success
Finǵer Prints
A Chapter in the History of their use for Personal Identification
The Genesis of the Rare Earths
Their Relation to the Earth's past History
Horse Hair
A Glimpse of the Zoological Side of Commerce
The Mercadier-Maǵunna System of Teleǵraphy
An Improved Method of Multiplex Working
Veǵetable Aviation
Aeronautic Engineering in Nature
Exhaustible and Inexhaustible Supplies
What is Meant by an Unlimited Source of an Article of Consumption?
Meat-Curinǵ Electrically
The Undeveloped Art of Soarinǵ
Its Theory and Practice
Giant Twin Stacks
The Mechanical Principles of Brennan's Mono-Rail Car
A Lucid Exposition