Society of Glass Technology · [Sheffield] · leaf 567
diately powdered in a roll crusher to 10-mesh 122 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. and reduced with a riffle sampler to 500 gm., which fraction wasfarther pulverised in an Abbe ball mill to 00-mcsh size. A |-inchscreen served to detach the powdered coal from the pebbles, afterwhich the… … Fig. 79. mouth bottle, which was closed with a well-fitting rubber stopper.This air-dried sample was used in all analytical determinations.For estimating residual moisture, a gram of the sample was driedin a porcelain capsule of If inches diameter and f inches deep foran hour at 105° in a constant…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
