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Scientific American

 March 1969

These are large thick issues with usually over 150 pages in each issue. Some of the articles inside are: Thermal pollution and aquatic life, superplastic metals, phases in cell differentiation, continental drift and evolution, Brownian motion and potential theory, the Atmospheres of Mars and Venus, Plague toxin, The first electron tube. .. Lots of ads and a number of other articles and photos..

Most Scientific Americans in stock 1897-present. Inquire about other issues.

Chosen Reflections/ Million magazines, 10373 CR 104, Kaufman Texas 75142.

In the trade for 32 years. Over one million Magazines and one million original prints in stock 1843 to present.