With the decimal tabulator, the operator would press the tens key, which automatically places the carriage in a position to begin writing the amount _10.50_. If the column stop were used for this purpose, it would have stopped the machine at the period point, and necessitated the operator pushing the carriage two points to the right in order to begin printing two points to the left of the decimal points. Some operators place the column stop so that the machine always stops at the tens point, and if an amount of 1.00 or less is to be written, they use the space key. This is quicker than to always stop at the decimal point and then position the carriage properly by hand. However, where any tabulated work involving figures which vary greatly is to be done, it is decided economy to use a decimal tabulator. Most operators do not see the advantage of using tabulators, and in many instances will continue to waste time spacing the machine with the space bar. If they would avail themselves of the tabulator device they would jump from one part of the line to the next desired point instantaneously. It should be remembered that billing work is a constant repetition of certain manual movements. If one movement in ten can be eliminated, it is equivalent to saving one hour in ten. To show the great advantage of, and it might be said, necessity for, time saving and short cuts in large establishments, a device used by Butler Bros., a large mail-order house with warehouses in several of the large cities, is an excellent illustration. This particular scheme is used in Jersey City, N. J. It consists of two rows of billing machine operators (sixty-five in number) placed in parallel positions with an endless belt running between them, and two checking clerks at the end of the row. As fast as the operators transcribe the orders onto the order forms, the original and typewritten order (with departmental copies) are placed on the belt and carried automatically to the checker's desk. The rubber belt passes over a pulley at the edge of the checker's desk, which allows the orders to fall from the belt to the desk. The belt returns to the end of the line, where it revolves around another pulley. The power is furnished by a small electric motor.