
Ball Bearings and how they are Made
The Tiny but Perfect Spheres that Keep Down the Friction Toll in Modern Machinery
The Tiny but Perfect Spheres that Keep Down the Friction Toll in Modern Machinery
How Nature's Standard Biological Process Is Adopted and Speeded Up by Man
The New Technique of Die-Cutting, and the Place It Holds in Our Factories
Some of the Schemes Proposed for Dealing with the War's Most Famous Wreck
How the Lackawanna Railroad Is Recasting Its Line Through Newark and the Oranges
Means of Minimizing an Ocean Peril of Increasing Prevalence
The Construction and Operation of the Webb Automatic Train-Stop System
Six Major Manufacturing Groups That Make a Bad Showing as Regards Operating Efficiency
Flood Control, Irrigation, and Power Generation All In One Gigantic Construction
How the "F. D. Asche" Was Towed from Florida to New York with Only a Blanket of Compressed Air to Keep the Sea Out of Her Gaping Hull
The Best System for Supplying Fresh Air to the Hudson River Vehicular Tunnel Tube Is Determined
What We Have and How We Are Using Them
In which we take Inventory of our needs and how far they are Supplied by Home Production
Erecting An Eighteen Story Reinforced Concrete Building at a Lower Cost Than a Structural Steel Type
The Superpower Survey's Impressive Figures, Which Afford Plenty of Food for Thought
Giant Shafts from Which the Vehicular Tunnel Will be Built and Later Ventilated
How Protective Coatings are Shot into Place Under the Latest Procedure
Present Knowledge Regarding the Cause and Cure of Pellagra
Laboratory Tests that Reveal the Underground Secrets of the Petroleum Field
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