Society of Glass Technology · [Sheffield] · leaf 355
[To face Trans., p. 252. Magnified 33 diam. … NATURAL SILLIMANITE AS A GLASS REFRACTORY MATERIAL. 253 The openness of structure, or porosities of the sillimanite B andclay slabs after firing at 1,400° were determined in exactly the sameway as described by Firth, Hodkin, and Turner,* and the resultsshowed that the sillimanite was rather less…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
