A wealth of inventions and period ads...
SCIENTIFIC AMERICAN, New York, April 1, 1922, from New York, New York.
This issue contains the following prints, articles and/or ads: How America's Male and Female Workers Earn Their Daily Bread; World Crops for America; Applying the Lessons of Industry to the Theater; Articulated Trains; The Tomb of an Egyptian Queen; The Motor-Driven Commercial Vehicle; other articles and ads. This issue is in good condition. See photos for additional details.
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