Painters' colours, oils, and varnishes : a practical manual (1906)
Hurst, George H. (George Henry) · London : Charles Griffin & Company · leaf 377
djusted with nicety. A delivery scraper is provided, as also adjusting guides to regulate the amount of material supplied to the feed rollers. The mill may be had in various sizes, from one having rollers 24 inches by 12 inches, and capable of grinding 2 tons of white lead (or 1 to 1| ton of other… … Fig. 53. — Roller grinding mill. Fig 54 shows the combination of the same grinding mill with two pug mills of the construction shown in Fig. 57, p. 365. This combination of mills has been found very serviceable and economical of labour. The pugs are connected to the main driving shaft of the mill…
Paint · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-675-368.webp)
