Hello Fellow Stumblers, Happy to be part of the StumbleUpon Community. I love to stumble and discover new things in cyberspace especially the pursuit of the Spiritual especially via A Course in Miracles. Hope to make new friends & share ideas regarding our true nature.
From the page: "On October 21st, 1909, Nikola Tesla (an inventor of many ingenious items) filed a patent for a pump which uses smooth rotating disks inside a volute casing."
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