Volume 127, Issue 1
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Features
Unusual features of the world's largest ship, the "Majestic"
The Psychic Detective
Some of the Pitfalls II the Path of the Psychic Investigator, and How he avoids them
The Business of Broadcasting
A Survey of the Present Radio-Phone Broadcasting Situation and a Speculation as to its Future
"Majestic"--The Latest and Largest of Ships
The High-Water Mark in the Development of the Trans-Atlantic Passenger Steamer
Determining the Penetration of Wood Preservatives
Pullman and Caboose Radio
The Pioneer Work of the Lackawanna Railroad in Applying Radio to the needs of Land Travel Roverts
Department of Commerce Radio Periodical
Gyro-Stabilizer as Cure for Seasickness, The Hottest Place in the World, and more
San Francisco's Water Supply Project
Bringing 400,000,000 Gallons Daily by Tunnels and Pipe Lines from Yosemite to San Francisco
The Significance of Calcium for Higher Green Plants
Radio Rules in the Making
Congress Considering the Recommendations of the Radio Conference and in Modified form will mold them into a new Law
The Statistics of Climate
A Vast but Strikingly Inadequate Body of Scientific Data
An Antediluvian Monster
Is the Argentine Plesiosaurus a Fake or a Scientific Marvel?
When the Hand on the Throttle Fails
The Construction and Operation of the Webb Automatic Train-Stop System
Wireless from Trains in Germany, Something New in Movie Scenery, and more
Fulfilling the Treaty
Turning Battleships into Merchantable Scrap at Philadelphia
What The Treaty Left Us
Tamed Lightning
Dr. Steinmetz' Small-Scale Duplication of Nature's Discharge
Belgium's Giant Radio Station, Reactions Obtained by Ultra-Violet Light
The Ice Cream Factory
How this Industry has been taken out of the "Domestic" Category
Dr. Nimführ's Soaring Airplane, Sandy Ice Cream
Investigating unknown Forces
The Unique Psychic Laboratory of Fritz Grunewald, at Charlottenburg
Earthquake Detection Near The White House, Some Physical Characteristics of the Ear, and more
When Steel Beams Stretch
A New Instrument for Observing and Photographing Stresses in Iron and Steel
Catching the Cinders, Measuring the Heat from the Stars
The Counterfeit Presentment
Anatomical Models -- what they are and where they come from
The Airman's Weather-Finder, The Coloring Matter of Red Roses
The Terminal Elevator for State Barge Canal
Built to Receive Grain from the Canal Barges and Store, Clean and Deliver it to Deep-Sea Shipping
Nutrient Requirements of Growing Chicks
Stopping the Leaks
How Asbestos Insulation improves the Performance of Electrical Apparatus
The Physiology of Grapefruit Ripening and Storage, A Clock that runs without Winding, and more
How Airship Accidents Lead to Airship Progress
The Intricacies of Airship design explained by an Airship Engineer
Conductivity and Permeability in Living Matter, Direct Prints without a Camera
Wild Birds and Their Music
The Feathered Tribes of the Eastern States identified by their songs
Proteins Differ in Their Nutritive Value as Food
The Naturalist's Corner
Notes on Flora and Fauna from All Parts of the World
Chemistry Notes, July 1922
Out of the way Scraps of Information in this important field