Page:Edinburgh Review Volume 59.djvu/306

294 forward through the number of divisions expressed at the indices in the row D4. This change will convert the arrangement into that expressed in Fig. 4, the dials to which a carriage is due, being distinguished as before by (*).

Fig. 4.

The fourth quarter of a turn of the axis will move forward one division all the dials marked (*); and the arrangement will finally assume the form exhibited in Fig. 5, in which the calculation is completed. The first row T in this expresses the fifth power of