Society of Glass Technology · [Sheffield] · leaf 580
nwhich the gas valve, 42, and the air valve, 4, are co-axiallyarranged with a common spindle. Three such sets of valves maybe connected together by chain gearing so as to be operatedsimultaneously. Valves arranged at the rear of the furnace maybe operated by a spindle extending to the front, and… … 202 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. VIII.—Chemical Analysis. 266. The Gravimetric Determination of Calcium andSeparation of Calcium from Magnesium. L. W, Winkler(Zeitsc/i. angew. Ghern., 1918, 31, 187, 203, 214).—An examina-tion was made of the method of estimating calcium as oxalate…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
