Numbering revolution counter composed of an empty rectangular metal frame on which little parallel shafts are mounted, onto which numbered toothed discs are keyed, with combs grafted onto them with tips of different lengths, diminishing in length. A grooved hand-crank resets the numbering device.

 

This apparatus was part of a ticket printer, used to number the printed tickets.

The middle one of the three keyed discs served merely to transmit motion from the upper disc to the lower disc if it was necessary to print the same number on two detachable parts of the same ticket (optional tickets without preprinted stations of origin and destination); in all other cases, only the upper set of discs was operated. There were five in the set, and the figure 10000 was set, proceeding to diminish the length of the tips of the comb blocking the corresponding disc in place (thousands, hundreds, tens) as the number decreased from 10000 to 0.

This item was originally assembled on the Edmonson ticket printer in the Museum’s collection; after the war, it was replaced by a Victor brand electrical counter.