Society of Glass Technology · [Sheffield] · leaf 352
59 Dr. Turner requested me, therefore, to attempt to devise aninstrument in which polarised light would be utilised for the detec-tion of bad annealing, and so to construct it that it would be verysimple in use and easy to make, capable of being put togetherin the carpenters shop attached to any of… … o T) The base is 16^ inches long, about 8 or 9 inches wide, and prefer-ably |-inch thick. One side A BCD, the small end CD, and thelower part BC are built up completely, while the top piece is onlycarried as far down as ^, 12 inches from A, and the remaining sideis cut away as shown by the curved…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
