Letter (Astounding, December 1938): Zinc Into Platinum—in Value, Anyway!

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Overview:

Title: Letter (Astounding, December 1938): Zinc Into Platinum—in Value, Anyway!
Author: John W. Campbell, Jr.
Year: 1938
Type: Essays
Series: Letters: John W. Campbell, Jr.

Variant Titles:

1938. Letter (Astounding, December 1938): Zinc Into Platinum—in Value, Anyway!

This text has been adapted from the Letter (Astounding, December 1938): Zinc Into Platinum—in Value, Anyway! entry at the Internet Speculative Fiction Database and is available under a Creative Commons License. The ISFDB does not endorse or sponsor this use.