Heyn, Ernest Victor, 1904- A century of wonders; 100 years of Popular science, by Ernest V. Heyn, in collaboration with past and present editors of Popular science monthly.

Heyn, Ernest Victor, 1904-

A century of wonders; 100 years of Popular science, by Ernest V. Heyn, in collaboration with past and present editors of Popular science monthly.

Garden City, N.Y., Doubleday, 1972.

Technology -- History.

Popular science monthly.

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