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A B THESE Simple Extractors are much more effective than Soxhlets for many purposes, as the substance is kept covered by the solvent in use and a flow of clean solvent is continu. ously moving directly through the substance, whereby the extraction is greatly facilitated. Price-A, 7/- doz.; B, 8/- doz. C, Complete apparatus, with Condenser (Burgess's Patent), all stoppered together, 7/6. Sole Makers C. E. MÜLLER, ORME & CO., Ltd., Scientific Glass Blowers and 148 HIGH HOLBORN, LONDON, W.C. CONTRACTORS TO H M. GOVERNMENT. Printed by RICHARD CLAY AND SONS, LIMITED, at 7 & 8 Bread Street Hill, Queen Victoria Street, in the City of London, and published by MACMILLAN AND CO., LIMITED, at St. Martin's Street, London, W. C., and THE MACMILLAN COMPANY, 66 Fifth Avenue, New York.-THURSDAY, May 3, 1906. |