'Elevators date back to Roman times; in 1853 he showed off his safety device so passengers could ride on them'
Otis
19th CENTURY INVENTIONS: Elevators date back to Roman times; in 1853 he showed off his safety device so passengers could ride on them
Elevators date back to Roman times; in 1853 he showed off his safety device so passengers could ride on them
Elevators date back to Roman times; in 1853 he showed off his safety device so passengers could ride on them
19th CENTURY INVENTIONS
Otis
19th CENTURY INVENTIONS