Society of Glass Technology · [Sheffield] · leaf 558
n, the pressure isdue to the weight of a forked member,17, pivoted at 20 on a frame holdingthe upper part of the lamp. Theframe and stem-holder may be rotatedduring the heating. In a modification,there are two- forked members, pivotedto opposite bars on the frame. In the apparatus shown in Fig. 52,… … Fig. 52. IV.—Decorated Glass. 97. Craftsmanship Exhibited in Fine Cut Glass. J. J. Vallely (./. Amer. Oer. Soc, 1920, 3, 149).—A brief outline wasgiven of the evolution of a piece of artistic cut-glass ware. Theessentials in cut-glass ware were a pretty design and good work-manship in cutting and…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-951-429.webp)
