Another elapsed time recorder, which was placed on the market after the above was put in type, but before this book went to press, is shown in Fig. 21, the form of record being shown in Fig. 22.
The device is operated electrically, the impulses being furnished by a master clock. This may be located anywhere in the building, preferably in the office, as it will be less affected by vibration and dust. To the master clock is also fitted the 24-hour elimination or cut-out wheel described later. This clock transmits electric impulses each minute all through the building to the various elapsed time mechanisms. Thus all the machines are exactly the same time and cards may be registered in on one machine and out on any other and correct results obtained.
Fig. 21. Elapsed Time Recorder
with Master Clock.
Manufactured by
International Time Recording Co.
The mechanism is about nine inches square and is enclosed in a dust proof iron case. It may be placed on a work bench, on a pedestal, or it may be sunk flush with the top of the bench or desk. The flat cover has two openings or slots for the insertion of the cards. One opening is marked "in" for the first record of a job, the other "out" for registering when the job is completed. There is also an aperture in the cover through which may be seen a series of indicating wheels showing exactly the time of day. There is only one handle to be operated and, therefore, no confusion can occur in the mind of the operator as to which handle to pull.
Fig. 22. Time Card Used with
the International
Elapsed Time Recorder
The cards used in the machine may be of any length desired but can only be of one width, 4¼ inches. In registering in, the card is placed in the front or starting slot, and the lever pulled over. This prints the starting time at the top of the card in the space to the left. At the same time four small holes are punched in the card which individualize the record. After a job is completed the card is placed in the rear or stopping slot, the lever pulled over once more, and the stopping time and actual elapsed time are both printed on the card by one pull of the handle, thus enabling anyone to compare the two records and prove the accuracy of the machine for every record.
One of the salient features connected with this device is its ability to compute only the actual time worked in the factory irrespective of the times of registration. That is to say, in a factory working ten hours a day from seven to twelve and one to six the elapsed time will only be computed during these hours. Any registrations made before seven o'clock will not begin to count elapsed time until that hour, and the computation of elapsed time automatically stops at noon to be resumed at exactly one o'clock, and then continues until quitting time at night, when again it stops automatically. The clock movement, however, does not stop, but always shows the correct time exactly the same as the master clock, and is entirely unaffected by the elimination of the non-working hours in figuring the elapsed time. The machine can also be set to record overtime at night if so desired.