Painters' colours, oils, and varnishes: a practical manual (1892)
Hurst, George H. (George Henry) · London, C. Griffin & Company · leaf 340
ROLLER GRINDING MILLS. 325 middle roller at 46 revolutions, and the bottom roller at 110 revolutions per minute ; this causes a considerable increase in the grinding power of the mill. Hand-screws serve to regulate the pressure between the rollers, while springs between the bearings enable the… … Fig. 49. — Three roller grinding mill. the grinding action. Scrapers are attached to each roller of this mill to keep the rollers clean and to ensure all material passing between the rollers. A delivery scraper is attached to the last
Paint · Varnish and varnishing
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
