Rediscovery is one of the methods of progress. Very much that we believe to be original with us at the time of its discovery or invention proves in time to have been known to earlier civilizations. The elevator, or lift, is a very modern invention and we supposed it to be a natural development of our civilization, with its intensive characteristics, until an antiquarian startled us with the announcement that it was used in Rome over two thousand years ago; not, of course, as we use it, but for the same purpose, and involving the same principles. A half century ago our scientific men were enthusiastic over the truths of evolution that were being discovered and placed before western civilizati…
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