The Heavy-Oil Engine in Marine Service
Its Influence upon Battleship Design
Volume 75, Issue 1938supp
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Features
Conservation and Research
Economies Secured by Scientific Investigation
The Refinements of Detection
An Ocean Terminal for the South
Texas City Harbor Developments
Progress in a Puzzling Malady
The Stable Fly as the Carrier of Infantile Paralysis
Beauty Doctoring
Its Snares and Pitfalls for the Unwary
On the Antiseptic Properties of Spices
Producer Gas for Power Purposes
Chemical Principles and Mechanical Factors in its Manufacture
Aviation To-day
And the Importance of a National Aerodynamic Laboratory
The Government and our National Timber
A Defense of the Present Policy