Stories by F. D. McHugh

Coal and Kilowatts, Carboloy Extrusion Process, and more

Indian Arrow Poison for Arthritis, Mental Disease, Enamels for Plastics, and more

Glycerine from Petroleum, Electrostatic Iron Ore Separator, and more

"Damp Cold" Better than Dry Cold, Engineer Discovers "Lightning" Radiation, and more

Screen Made by Electroplating, The Eskimo Goes Modern, and more

A Monthly Digest

Neon Lamps Simplify Slip-Speed Checks, Weighting "Top-Heavy" Destroyers and more

Versatile Eye-Testing Machine, Improved White Lead, and more

Bike Tires Tested, Perfected Rubber Lung, and more

Anthracite Ash Improves Soil, Telescope Museum and more

To Determine Moisture Content of Gases, Ring Gears Cast Centrifugally, and more

Unique Hinged Swing Spans on Bridge, Blight Resistant Chestnut, and more

The Screen of Television, Small Arc Welder, and more

Largest Steam Hammer, X-Ray "Candid Camera" Snaps Human Chest, and more

Tractor for Comfort, Specialists Should Advise on Hearing Aids, and more

Booth Air, Torpedo Turns Around, and more

Making Money out of Roads, Pipe-Line Tracer, and more

Largest Quartz Crystal, Flame Tailoring, and more

Sterilizing with "Light"

Microbe "Death Ray", Invisible Ultra-Violet Rays Kill Bacteria, Harmless to Humans, Inexpensive, Lamp for Hospitals, Food Handlers

Flame Softening of Flame-Cut Steel, Lamps, and more

Giant Strip Mill, Binocular Magnifier, and more