“Spinning continuously at a speed of 60 revolutions per minute, or once per second, the drum measured 7 inches in diameter, and 11 inches in length. Its surface was etched with 5,400 Chinese characters, letters of the English alphabet, punctuation marks, numerals, and a handful of other symbols. How was the typist in the film able to pull off such a remarkable feat of memory? … This young woman was a virtuoso.” – Fast Company
