Printing : a practical treatise on the art of typography as applied more particularly to the printing of books (1890)
Jacobi, Charles Thomas, 1853-1933. nr 99038590 · London : George Bell and Sons · leaf 184
162 PRINTING. Rollers are very subject to the influence of climatic and atmospheric conditions — the least change affects them, and they require constant attention. In cold weather they get hard, in hot weather soft. … Fig. 107. They should not be too hard or too soft, neither crack nor skin on the surface, and there should be some amount of “ life ” in them, that is to say, there should be a certain amount of “ tackiness ” when manipulated with the hand. Fig. 108. Sometimes they are too fresh or new, “ green ”…
Typography · Printing · Book design · Graphic design (Typography)
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-554-240.webp)
