Sir J. M. Le Moine, Picturesque Quebec : a sequel to Quebec past and present
“ Should the brakesman happen to be absent from his post, we are informed by the Manager that no irregularities would occur in consequence, as a governor regulates the speed at which the cars are to go, and on their arrival the air buffers come into play and receive them. So well has the brakesman the cars under his control that at one stroke of the bell he can stop them instantaneously wherever they may be on the track. ”
