Society of Glass Technology · [Sheffield] · leaf 529
<<n … Fig. 18. in unison with the frame, D, so that successive articles do not fallupon one another. The trunnions, 20, are off-set, so that the mould, E, turns back to itsnormal position by its ownweight when disengaged fromthe arc, H, and a stop, 22,keeps it upright. (Brit Pat., August 8th, 1918,No.…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
