Comprising a History of the Efforts to Attain Self-Motive Mechanism with a Classified, _ILLUSTRATED_ Collection and Explanation of the Devices Whereby it Has Been Sought and Why They Failed, and Comprising Also a Revision and Re-Arrangement of the Information Afforded by "Search for Self-Motive Power During The 17th, 18th and 19th Centuries," London, 1861, and "A History of the Search for Self-Motive Power from the 13th to The 19th Century," London, 1870, by Henry Dircks, C. E., LL. D., Etc. Radium and Radio-Active Substances Considered as a Conceived Source of Perpetual Motion 197-199…
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