Society of Glass Technology · [Sheffield] · leaf 129
f the strain, which it is a basic principle of the apparatus to keepconstant. (2) The third apparatus is of fixed height, and cannotreadily be adjusted to suit different articles. If short, its toplies below the general level of the tops of the articles to be annealed.If the articles are short, it… … Fig. 4. In the fourth apparatus (Fig. 4) the tube is horizontal, and therod, instead of being bent by pressing the ends together, is bentby being loaded at one end. Within the tube, T, the rod, R, ofglass, which, in the case of this instrument is about y1^ inchdiameter, is fixed at one end by being…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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