Volume 122, Issue 4
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Features
Wood Alcohol
What It Is and Why It Is Deadly to the Human Mechanism
Some Vegetable Parasites
Flowering Plants and Fungi That Derive Nourishment from Other Plants
The Romance of Invention--VII
A Pioneer of the Electric Motor, the Trolley Car, the Multiple-Unit-Train-Control, the Electric Elevator
The New York State Barge Canal--III
The Type of Barge Best Adapted to Our New Waterway
The Tower Telescope
How it Works and Why it is Necessary for Certain purposes
Blazing Wisconsin Ways, Hydro Power for the Canadian Farmer and more
Wonderful Clocks of Olden Times
Striking Examples of the Work Done by Exponents of this Early Mechanical Art