Society of Glass Technology · [Sheffield] · leaf 649
Fig. 1G4. 248 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. … chamber, 26, surrounding the lower portion. The inlet and outletorifices of these bushings may be varied to suit the work beingdone. S. E. 286. Glass Flow Controller. F. ONeill, Toledo, Ohio(U.S.A. Pat., No. 1413183, April 18th, 1922. Filed October 17th, 1921, No. 5083211).—This patent relates to…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.