18/18
Box bridge over a high canyon with river flowing down in the bottom. Content: "The Hunt for the Hub of the Universe," "Chemicals Waken Sleeping Plants," and "Investing in Aviation."
Artist: Howard V. Brown
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
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- Created on
- Thursday 5 April 2012
- Posted on
- Thursday 5 April 2012
- Tags
- aeronautics, airports, astronomy, civil engineering, cosmology, development, engineering, highway, hormones, roadway, transportation
- Visits
- 1949