File:PSM V38 D791 An ordinary bicycle with lines of force.jpg
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== {{int:filedesc}} ==
{{Information
{{Information
|Description = An ordinary bicycle with lines of force
|Description = An ordinary bicycle with lines of force
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|Source = [http://www.archive.org/details/popularsciencemo38newy Popular Science Monthly Volume 38]
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|Source = [http://www.archive.org/details/popularsciencemo38newy Popular Science Monthly Volume 38], p. 771.
|Date = 1890-1891
|Date = 1890-1891
|Author = {{unknown|Author}}
|Author = {{unknown|Author}}