. Printing and writing materials: their evolution . burg,Pennsylvania. The Cincinnati Times used thefirst press built in his shops; the roll containedfive or six miles of linear measurement. As atfirst constructed, this press was unreliable, especi-ally in the delivery of the papers, but it wasafterwards improved and was used to a consider-able extent. It printed ten thousand newspapersan hour, without the assistance of feeders. About 1868 the proprietors of the liOndonTimes built a rotary perfecting-press. This wassimilar in construction to the Bullock press, exceptthat the cylinders were all
. Printing and writing materials: their evolution . burg,Pennsylvania. The Cincinnati Times used thefirst press built in his shops; the roll containedfive or six miles of linear measurement. As atfirst constructed, this press was unreliable, especi-ally in the delivery of the papers, but it wasafterwards improved and was used to a consider-able extent. It printed ten thousand newspapersan hour, without the assistance of feeders. About 1868 the proprietors of the liOndonTimes built a rotary perfecting-press. This wassimilar in construction to the Bullock press, exceptthat the cylinders were all of one size and wereplaced one above the other. A press on the sameprinciple was also devised by Marinoni of Paris. Several difficulties were encountered in the con-struction of rotary perfecting-presses to printfrom a single roll or continuous web of paper, andthese were not overcome until 1871, when the HoeThe Hoe weh- ^^b press was devised. The first press of this kindperfecting ^^^ placed in the office of Lloyds Weekly London The HISTORY OF THE PBINTING-PEESS 87 Newspaper, and the first in the United States inthe Tribune office in New York. The Hoe ma-chines are used by most of the large newspaperoffices of the United States and Great Britain. Hoe and Company continued their experiments,and produced the Double-supplement, the Quad-ruple, the Sextuple, and the Octuple press. Theyconsist of a multiplication of cylinders and plates,while the general principles remain the same. Hand folding-machines were for a long time Automaticused in newspaper offices, but it was highly desir- ^ ^^able that the press should deliver the papers were attached to the fast presses, but theoutput was not more than 8,000 an hour. Arotating folding-cylinder was patented by Hoe andCompany in 1875; this folded papers at the rate,of 15,000 an hour. These folding-cylinders werefirst placed on presses built for the PhiladelphiaTimes, and were operated in the Centennial Ex-hi
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