Author:Otto Walterhöfer
Appearance
Works
[edit]Articles in Popular Science Monthly
[edit]- "How the Earth Is Weighed" in Popular Science Monthly, 19 (October 1881)
- "The Mechanics of Intermittent Springs" in Popular Science Monthly, 21 (July 1882)
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1929.
These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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