Morrell, Robert Selby · London, Baillière · leaf 167
S passage of the material from the centre feed to the delivery at the circumference. Although the triple granite roller mill has practically supplanted every other type of mill for the purpose, the cone mill (Fig. 20) still finds some favour, mostly for the preparation of small trial batches of… … FIG. 20. — Cone Grinding Mill, one of the grinding sur- (a) Hopper ; (b) Upper Grinding Face ; faces of the granite (c) Lower Grinding Face ; (d) Collect- ing Channel (spout not shown) ; (e) Ad- stones. justment. Stage III. Apart from the consideration of economy and speed of output, the " dilution…
Gums and resins · Paint · Rubber · Varnish
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
