but the head of the con-cern knows the constituent parts or their quantities.Such precautions are taken thattne workmen employedto shovel the raw materials into the receptacle are keptin ignorance of their precise combinations. After the batch is mixed it is put into a series ofpots and a small… … Fig. 3.—Removing Imperfections Left by Rougher. nace and subjected to a heat sufficient to melt the vari-ous ingredients. When about the consistency of molas-ses it is gathered by a workman on the end of a hol-low steel rod about six feet long. He thrusts this rodinto the molten glass and turns and…
Pottery · Glass · Glassware
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
