Until the last quarter of the eighteenth century the progress of printing in America was slow. But in 1784 the first daily newspaper, the _American Daily Advertiser_, was issued in Philadelphia, and from this time periodical publications multiplied and the printing of books increased, until the agency and influence of the press became as marked in the United States as in the leading countries of Europe. Even since the time when Bohn wrote, the progress made in various branches of the printer's art has been such as might have astonished that famous publisher of so many standard works. Recent improvements for increasing the capacity of the press, and often the quality of its productions, are quite comparable to those which our own time has seen in other departments of industry, as in the applications of electricity and the like. In addition to the further development of stereotyping, there has been marvellous improvement in nearly all the machinery and processes of printing. This is especially marked in rapid color-printing, and in the successors of inadequate typesetting-machines--in the linotype, the monotype, the typograph, etc. Most wonderful of all, perhaps, is the improved printing-press itself, in various classes, each adapted to its special purpose. The sum of all improvements in this department of mechanical invention is seen in the great cylinder-presses now in general use, especially the one known as the web perfecting press. This is a machine of great size and intricate construction, which yet does its complex work with an accuracy that almost seems to denote conscious intelligence. It prints from an immense roll of paper, making the impression from curved stereotype plates, runs at high speed, prints both sides of the paper at one run, and folds, pastes, and performs other processes as provided for. By doubling and quadrupling the parts, the ordinary speed of about twenty-four thousand impressions an hour may be increased to one hundred thousand an hour. The multicolor web perfecting press prints four or more colors at one revolution of the impression cylinder. To meet the demands of such an enormous consumption of paper as the modern press requires, it was necessary to invent other processes and to utilize more abundant and cheaper material for paper-making than those formerly employed. This requirement has been supplied in recent years mainly through the extensive manufacture of paper from wood-pulp. This method, together with improved processes in the use of other materials, has removed all fear of a paper famine such as has sometimes threatened the printing industry in the past. "Nature does not advance by leaps," says an old proverb; neither does her offspring, Art. All the great boons vouchsafed to man by a munificent providence are of gradual development; and though some may appear to have come upon us suddenly, reflection and inquiry will always show that they have had their previous stages.