They furnished an operator, Edward Hadley. 佚名.神奇的知识之书.
To the best of my belief, Hadley was the first motion-picture operator in America. 佚名.神奇的知识之书.
Thomas Godfrey, a self-taught mathematician, great in his way, and afterward inventor of what is now called _Hadley's Quadrant_. 本杰明·富兰克林.富兰克林自传.
Although he had never seen a motion-picture machine, Hadley was a man who had been in their employ and was naturally familiar with lanterns and electricity. 佚名.神奇的知识之书.