Society of Glass Technology · [Sheffield] · leaf 695
Fig. 159.17 250 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. … Fig. 160. 340. A Modified Classen Flask. G. A.Collinson {Chem. and Ind., 1923, 42, 1109).—The flask was pear-shaped and had theconstruction shown, its dimensions for the200 c.c. size being, C 2-5 cm. diameter, D7 cm., the small holes B 1-5 mm. diameterand the orifice of the cone, A, about 9 mm.The…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
