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Mark's Almanac for October 11, 2019
On this date in 1887 a new mechanism was patented for an elevator by an Ohio-born inventor. And in 1939, a letter written by Albert Einstein opened a lot of eyes -- including President Roosevelt.
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By WKSUOn this date in 1887 a new mechanism was patented for an elevator by an Ohio-born inventor. And in 1939, a letter written by Albert Einstein opened a lot of eyes -- including President Roosevelt.