Society of Glass Technology · [Sheffield] · leaf 156
No. 5. X 5 diameters. … No. 6. X 15 diameters. [To face Trans., p. 94. THE DEVELOPMENT OF VARIOUS TYPES OF GLASS. PART X. 95 a white, opaque mass resulted, full of crystals, as shown in thephotomicrograph. Some of these crystals enlarged (15 diameters)are shown in photomicrograph 6. In all probability, since silica blobs…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
