Society of Glass Technology · [Sheffield] · leaf 660
nd the base, d, of the pillar, e, are mounted in guides,c, on the base, 6, and are adjusted by screws, I, k. The work isplaced on a vacuum plate, 48, attached to a variable chuck, shownalso in Fig. 187, and is rotated by the main shaft, o, which is sur-mounted in bearings, z, 1, and is driven by a… … SD ^ ]l [H d <o Ll, -to Jt- /n ►ti <o to <i ^S ■l-hi-P ^ or.
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.