This post is from a low-reputation account and contains an unverified outbound link. Be cautious before clicking external links.
John Ernst Worrell Keely, 1827-1898, discovered and developed the science of Sympathetic Vibratory Physics. Keely developed the famous Keely Motor (and here) from the 1860s into the 1880s when he shifted research from it to the Musical Dynasphere and other Etheric based projects. - http://www.svpwiki.com/Keely