Society of Glass Technology · [Sheffield] · leaf 712
r and the flared tube, thus producing a firm joint, throughwhich the sealing-in wires pass. After the release of the pressureplates, the jointed stem passes in between two burners, and thenthrough an annealing zone, before the jaws are opened to permitof their removal. S. E. 338. Machine for Making… … Fig. 193. ally of a drum intermittently rotated upon a horizontal axis andprovided with peripheral slots, which are adapted to receive shortlengths of glass rods and to carry them into contact with gasflames. When the parts of the rods passing through the flamesare hot enough, the ends of the rods…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
