ed mechanic, but this isthe case everywhere. The disadvantages are, first, thefactor of moisture. In calculating- the proportions ofthe mix, allowance will be made for average moisture,but considerable variations are always occurring, and ifthese Were to be closely watched a good deal ofvaluable… … *Ol)e IPancer !8r*iu«« at 1. Stt«u« fy Soa*. 45 Secondly, there is the matter of lawning the whole mixat once. There must be a certain percentage of refusewhich the lawns are intended to reject and do reject,but there are no means of knowing- from which of theseveral materials this refuse has come.…
Pottery · Glass · Glassware
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
