Printing : a practical treatise on the art of typography as applied more particularly to the printing of books (1904)
Jacobi, Charles Thomas · London : G. Bell & Sons · leaf 235
y can be had by the single roller or by thecontract system—a definite price being charged, so much perquarter, for a given number of rollers to be kept in workingorder and renewed as frequently as required. This plan isadopted by many large offices in London, as it is foundmore economical in the… … FlG. 121. ROLLER COMPOSITION KETTLE. great lasting properties, but the manufacture of these is atrade secret. To be prepared for any contingency that mayarise, good serviceable rollers may be prepared from thefollowing—the figures are parts, and should be calculatedby weight: (a) Ti-eacle 12, glue…
