The record of the men's time can then be compiled very readily by one who need not be a skilled mathematician or time clerk. The cards are made to hold a record covering the pay period and need no attention from a timekeeper or clerk until the termination of this period. is a time card recorder, which is a clock so made that it will automatically stamp on a card inserted in a slot in the clock by the workman the time of his arrival and of his departure. Various forms of time clocks are in common use, two types of which are illustrated. Time clocks.-Such an appliance which may not, in general, be used in the field, but which is of immense value in the office and particularly in a shop, is the time clock. Gillette explained about the state of the art around time clocks in those days:

The Bundy clock (see image left) was used by Birmingham City Transport to ensure that bus drivers did not depart from outlying termini before the due time now preserved at Walsall Arboretum.

In 1911, ITR, Bundy Mfg., and two other companies were amalgamated (via stock acquisition), forming a fifth company, Computing-Tabulating-Recording Company (CTR), which would later change its name to IBM. In 1900, the time recording business of Bundy Manufacturing, along with two other time equipment businesses, was consolidated into the International Time Recording Company (ITR). A year later his brother, Harlow Bundy, organized the Bundy Manufacturing Company, and began mass-producing time clocks.

His patent of 1890 speaks of mechanical time recorders for workers in terms that suggest that earlier recorders already existed, but Bundy's had various improvements for example, each worker had his own key. An early and influential time clock, sometimes described as the first, was invented on November 20, 1888, by Willard Le Grand Bundy, a jeweler in Auburn, New York.

A timer clock