. The "two revolution" press, as its machine. actness, in which each part can be kept to its work with the name indicates, has two revolutions of the impression cylin- For instance, the plate on a four roller, two revolution utmost precision. der for each printed sheet. It is solidly built, and can… … all fine work, and the impression can be ad- the large revolving cylinder above it, and so justed to a hair. The firm call this machine that the heavy impression shall be given each Fig. g.-COTTRELL'S PATENT HINGED ROLLER FRAME, AS APPLIED TO THE the m plus ultra of printing machines; but, time…
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