The Construction of the Heavens
A Survey of Progress of Sidereal Astronomy
Volume 81, Issue 2091supp
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Features
Osseine from Bones
Reinforced Aluminium Electric Cables
How Much Sulphur in Steel?
The Destruction of Historic Edifices in Europe
And Efforts Made for their Protection
Searchlights in War
How they are Used on Land and Sea
Oil-Burning Stand-by Plants
I'Sano Oil
Our Merchant Marine—I
What It Has Been, What It Is and What It Ought to Be
Sharpening Files by a Sand Blast
Simple Process for Purifying Mercury
The U. S. Naval Engineering Experiment Station
A Valuable But Little Known Enterprise at Annapolis, Md
The Improvement of the High-Boiling Petroleum Oils—II
The Action of Aluminum Chloride Concluded from Scientific American Supplement No. 2090 Page 51, January 15, 1916
Anti-chlor. Respirators
By-Products of Gas Manufacture
Hydrocyanic Acid and its a pplications
When the Railroad Lost Business
An Ingenious Electric Drive Gear
Adapted for Light Railway Work
Patient or “Case” ?
Autobus in Spain
Zeppelin Airships
An Address, Historical and Descriptive, by Their Designer
Oil-Mixed Portland Cement Concrete—I
Notes on the Preparation and Use of a Valuable Building Material