Society of Glass Technology · [Sheffield] · leaf 553
e bottom. An equation fordetermining the movement of the float for agiven change in density was given. Results socalculated were within 3 per cent, of the actualvalues when checked by density determinationswith an Ostwald-Sprengel pyknometer. Cottonthread could be used to lengthen the links ofthe… … Fig. 69. 152. A Laboratory Fractionating Column. H. T. Clarkeand E. J. Rahrs (J. Ind. Eng. Chem., 1923,15, 349).—The columnis a Pyrex tube 90 cm. long, and 2 cm. internal diameter. Starting 15 cm. from the top, a series of semi-bulbs, A,are sucked in each one as near its upper neigh-bour as…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
