Endless leather belting was used to transmit the power from the motor to the counter-shaft, and from the latter to the driving-wheels, which were the front pair. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
For driving the many machines, about fifty miles of leather belting are used, giving the room the appearance of a dense forest. 佚名.神奇的知识之书.
The rough outline sketched below shows the location of motor in relation to counter-shaft, belting, driving-wheels, idler, etc. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.