PopularScience1916-04.jpg Popular Science 1915-11ThumbnailsPopular Science 1916-08

By 1916 the WORLD'S ADVANCE logo had been dropped, and the familiar POPULAR SCIENCE cover designs were well underway. Compare this with the ad that ran in the NEW YORK TIMES for March 16, 1916.

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Source: eBay Sellers

Restoration by: Michael Ward