15 January 1861
On January 1861, Elisha Otis received U.S. Patent No. 31,128 for an “Improvement in hoisting apparatus”. It captured the breakthrough that made vertical travel trustworthy.
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15 January 1885
On 15 January 1885, Paul Nipkow received German Patent No. 30105 for an “Electric telescope”, later known for the Nipkow disk for mechanical television scanning.