Society of Glass Technology · [Sheffield] · leaf 754
up-wards, the amount of dis-placement from the spheri-cal contour being con-trolled by the cross sectionof the glass and the pres-sure applied. While sodeformed it was groundby the tool, T, in the usualway to a fresh sphericalcontour. The pressurewas then removed and the glass sprang back, thus… … Fig. 204. X. Glassware Accessories. 429. Metal Caps for Glassware. H. S. Brady (Gla^s Ind.,1923, 4, 183).—The strength and the ductility of the metal usedhad to be considered, as well as the calculated size of the blank.The stretch varied with the metal used, and in an examplegiven, the true blank…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
