Pleger, John J · Chicago : The Inland printer company · leaf 93
ING relegated the beating hammer to the background andadded considerable to the production of the trimming andbacking machines. This machine is compact, powerful,and pressure is obtained by the straightening of a heavyset of toggles through two heavy steel bars, actuated bya crank shaft. A slow,… … Seybold Book Compressor Stripped, Showing TokkIps and Gearing. adjusted, and is built in five sizes, which will take anylength of book up to thirty-six inches. It consists of twoupper and two lower jaws. The jaws slide in two hori-zontal bars; the upper jaws hold the book in place beforethe lower…
Bookbinding
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