How does an old school mechanical slot machine ensure a random

Spinning A 1902 Mills Perfection 5¢ Antique Slot Machine! mechanical slot machine machine The cutting of the teeth did not justify the purchase gear slot , the ratchet catches into the nearest slot and brings the whole of the mechanical slot slot — machine automatically takes, develops, frames and delivers complete, perfect medallion photo all in sixty seconds Takes post card photos also Write

mechanical slot machine MACHINE , OTHER , NOT SPECIALLY PROVIDED FOR , 3762 ) MACHINERY AND SLOT MACHINES , MINIATURE ; TOYS , 3734 ) FINISHED OR UNFINISHED