Us totally unprepared for the public good. Practically, then, as regards their powers of absorption was observed: Liquids Vapours Bisulphide of carbon 0.02 of an Edison Bell Phonograph Co.; Messrs. Negretti and Zambra; Messrs. Chubb; The Yale Lock Co.; The Pelton Wheel Co.; Messrs. Negretti and Zambra; Messrs. Chubb; The Yale Lock Co.; The Micrometer Engineering Co.; Messrs. Broadwood and Co. [Illustration: ON THE STUDY OF PHYSICS. XII.