Date: 1877
One of the discs, that which impels the blade, is fixed by means of a conical bearing keyed upon the spindle wliich is made of steel and with hardened ends ; it is maintained at its two extremities by screws.  It carries a pulley of 0m,2.f) (10 inches) diameter and 0m,13 (S inches) in width, which receives the motion direct from a high-speed steam-engine 12 horse-power, by means of a pulley of lm,S0 (5 feet) in diameter.  The saw-bench is in two parts and is supported by oscillat ing standards.