But there are other factors to be considered. For example, the printed sheets, as they come from the press, must be folded to the size of the magazine. This is done in two ways. Machines which take the sheets, one by one, from the completed pile, and fold them to the required size, are used on some publications, while on others a folding machine and a binding attachment are included as integral parts of the press itself. The paper, as it comes from the printing section of the press, is mechanically folded, cut apart, the previously-printed cover sheet wrapped around it, and the whole stapled together with wire stitches. Thus the white paper, which enters the press from the roll in one long ribbon, is delivered at the other end of the press printed, folded and bound up into complete magazines at the rate of sixty each minute. Issues of a magazine of thirty-two, forty-eight, or even more pages, are produced in this manner. [Illustration: ONE OF THE SEVERAL BATTERIES OF PRESSES NECESSARY TO PRINT “THE LADIES’ HOME JOURNAL”] Many magazines, however, have more pages than this. Then it is necessary to print on separate presses the various sections, or signatures as they are called, which, when combined, will make up a complete magazine. If only a few thousand were printed, these signatures could be collected together by hand, and then fed into the wire-stitching machine, also by hand. This method of collecting the sections and binding them together was the one used until editions became so large that mechanical methods became necessary. Now, however, the various sections which go to make up the magazine are piled in certain troughs of a binding machine, which, with seeming human intelligence, clasps one copy of each section in turn, and combining them with a copy of the cover sheet, conducts them all, properly collated, into the wire-stitching device, from which they are ejected into orderly piles. Some magazines are bound together in a different manner, however, and are not stitched with wire, but have the inside pages and the cover glued together, and an ingenious binding machine has been perfected which does this automatically. [Illustration: A GROUP OF FOLDING MACHINES WHICH AUTOMATICALLY GRASP THE FLAT SHEET AND FOLD IT UP TO THE SIZE OF THE MAGAZINE]