Society of Glass Technology · [Sheffield] · leaf 594
ng such a joint it ispreferable that both glass tubes bewelded to the disc simultaneously inorder that the strains in the disc maybe at all times as evenly distributed aspossible. In the modification shown inFig. 94 the glass tubes are welded toseparate copper discs (18, 18), and laterthe copper… … Fig. 94.
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.