Stories by Albert G. Ingalls

A Monthly Department for the Amateur Telescope Maker

A Powerful New Tool And Technique, The Microradiographic Application of X-Rays in Metallurgy, Not To Be Confused with the Familiar Radiography to Which It Is An Auxiliary, Is Giving Aid in the Improvement of Existing Alloys and the Development of Many New Ones

A Monthly Department for the Amateur Telescope Maker

A Monthly Department for the Amateur Telescope Maker

In The Mutual Working Relations of Railway Car Wheels Rolling on Steel Rails There are Some Interesting Applications of Fundamental Science. An Abbreviated Consideration of The Effects of Heavy Stresses and Strains on Both Wheels and Bails. How Much Wheel Area Touches The Rail?

Some of the Fundamental Science Surrounding the Many Ways in which Heat Transfer is Involved in the Machinery of Modern Industry. Five Different Basic Mechanisms for Transferring Heat. Many Large Companies Maintain Basic Research on These Problems Because of their Importance

A Department for the Amateur Telescope User

A Monthly Department for the Amateur Telescope Maker

Fuel Knocking Can Threaten Destruction to Engines. Technologists Are Familiar With Some of the Answers to the Problems Involved, But Many More Data Are Required. New Research with a Full-Scale Engine Test Stand Is Pointing the Way Toward Better Fuels for All Gasoline Engines

The War Effort Has Slimulaled the Development of an Extensive Line of Luminescent Pigments. These are Now Used in Paints and Coatings, Paper, Plastics, Printing Inks, and Pastes, Foreshadowing a Number of Interesting Peacetime Possibilities for Luminescent Products

A Monthly Depatment for the Amateur Telesope Maker

Today there are Ways of reducing Destructive Vibration in Machinery but These are Limited, and Thus Isolation by Means of Elastic Suspensions has a Wide Field of Application. The Design of Mountings Using Rubber for this Purpose has Now Reached the Stage of a Predicable Science

A Monthly Department for the Amateur Telescope Maker

Though the Bolt Designers Most Diligently Design, and the Metallurgists, the Engineers, and Manufacturers do their Utmost to Provide Excellent Bolts, the Bolts that Carry Dynamic, Fluctuating Loads in Severe Service will Fail from Fatigue unless Science is Correctly Applied in Tightening Them

A Monthly Department for the Amateur Telescope Maker

In the Perpetual Struggle to Prevent Oxygen from Combining with Man's Best Metals, Such as Iron, the Petroleum Corrosion Preventives. Now Proved Up in the War are Shouldering their Way into Wider Use—Just as They Shoulder their Way Under the Water that Causes rust

A Monthly Department for the Amateur Telescope Maker

Some of the Chemical "Whys" of Black Powder Nitroglycerine, Guncotton, Smokeless Powder, Toluene, Picric Acid, TNT, Ammonium Nitrate, Amatol, and the New Penthrite which is no Longer Hush-Hush. The Basic Chemistry if All these Explosives is Relatively Simple

A Monthly Department for the Amateur Telescope Maker

An Advance Account of the New Hillier Electron Microanalyzer Now Undergoing Development at the RCA Laboratories. Related to the Electron Microscope, It Serves a Different End, the Elemental Analysis of Minute Samples of Matter. Will it be Applicable to Industrial Laboratory Investigations?

A Monthly Department for the Amateur Telescope Maker

A Monthly Department for the Amateur Telescope Maker