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THE CHEMICAL NEWS Edited by] WITH WHICH IS INCORPORATED THE CHEMICAL GAZETTE. \JVilliam Crookes, NY> 1 T 1 S Copyright of the \ ^ u * 1 1 * J ( Contents reserved.'. ) Saturday, February x8, i860. < Registered for \ PbiCE Id. \ Transmission abroad.) STAMPED, 4c?. CONTENTS. PAGE The Adulteration of Pood Bill- - - - - - 121 Scientific and Analytical Chemistry On the Estimation of Phosphoric Acid in Manures, Coprolites, Bone-ash, and similar Com mercial Substances, by Francis Sutton - - - - - 122 Technical Chemistry Influence of different kinds of Manure on Herbage - - - 123 Pharmacy, Toxicology, &c. On the Preparation of Ecbalinc, by John Williams - - - 124 DR. FARADAY’S E.ECTURES AT THE ROYAX. INSTITU TION. VS. The Correlation of the Physical Forces - - 126 Hanovcr-Squaro Rooms Chemical Properties of Milk ^tjfrerirsemeirfs. FAB AD AY’S CHRISTMAS LECTURES at the ROYAL INSTITUTION. ’ The Sixth and List Lecture is contained in the present number of the “CHEMICAL NEWS.” NOTICE. Owing to the inceflant demand for the back numbers of the Chemical News, which have been for fome time out of print, the proprietors have decided to reprint them. Subfcribers and the trade are therefore refpeft- fully informed that in the courfe of next week they will be able to obtain complete fets of all the back numbers. Office of the Chemical News, Red Lion Court, Fleet Street, London, E.C. E xperimental ciiemis- TRY.—Three hundred Fragments of Minerals, all named, many rare, in boxes, price 18$. or in separate series of50 specimens,3$.each. Forty larger fragments of rare or new Minerals, 10s. Lists on application. Fine cabinet speci mens of rare Minerals and Fossils, separately or in collections. Glass-top boxes and all kinds of apparatus for collecting and arranging speci mens of Geology, &c. of James R. GREGORY, 3 King William Street, Strand, London, W.C. - 129 Notices of Books and Patents Stories of Inventors and Dis coverers in Science and the Useful Arts, by John Timbs, F.S.A. - 130 Improvements in obtaining or ex tracting Quinine - - - 130 Correspondence Poison Labels - - - -130: Chemical Notices from Foreign - 130 | T O MANUFACTURING CHY MISTS. — A Practical Chymist wishes to Purchase a good going Work, or to join a Factory where energy, experience, and capital arc required to extend the business. Communications confidential. Apply, with Par ticulars, to “ Chemicus,” 104 London Wall, London. w Sources - Scientific CTotes and Queries Water Purifying Patents — A newly imported Article from Japan - •• - - *131 Miscellaneous ? Medical Stores for the Navy— Treaty with France — Adulter ation of Food Bill — Phy sicians Cane — Liquid Glues - 132 Answers to Correspondents - 132 EST OF LONDON HOSPITAL and DISPENSARY. HAMMERSMITH, W. — A vacancy having occurred in the Office of HOUSE-SURGEON, Candidates, who must be Members of one of the Royal Colleges of Surgeons, and Licentiates of the London Apothecaries’ Company, are re quested to send in their applications to the Hon. Secretary, W. F. Ainsworth, Esq. on or before Thursday, Feb. 23rd, when they will receive notice to attend the Medical Board. The salary is £80 per annum, with coals, candles, and at tendance. W EST OF LONDON HOSPITAL and DISPENSARY, HAMMERSMITH— Notice—A Gentleman is required to fill the Joint Office of DIS PENSER and ASSISTANT SECRETARY to this Institution. Candidates are to make applications to the Hon. Secretary, W. F. Ains worth, Esq. on or before Feb. 23rd, when they will receive notice to attend the Medical Board. Next Week, One large Volume 8vo. 21$. cloth. CYCLOPEDIA of the PHYSICAL SCIENCES, comprising Acoustics, Astronomy, Dynamics, A Electricitv, Heat, Hydrodynamics, Magnetism, Mathematics, Meteorology, Optics, Pneumatics, ' Statics. Edited by John Pringle Nichol, LL.D., Pro fessor of Practical Astronomy in the Univer sity of Glasgow. Assisted by Sir W. Rowan Hamilton, Dr. Robinson, Professors Rankine, Stokes, Taylor, and Thomson, and other con tributors. Illustrated by numerous Maps, En gravings, and Woodcuts. Second edition, re vised and greatly enlarged. London: RICHARD GRIFFIN & Company, - Stationers’ Hall Court and Glasgow. <QuantJ0 ullum tnbenlemus parent? En <3IIAVEBAND LITHOGTAUy^' H. SILVERLOCK, MEDICAL LABEL WAREHOUSE, WARDROBE TERRACE, LONDON. E.C. Glenfield Patent Starch. TTSED IN THE ROYAL vJ LAUNDRY, and pronounced by Her Majesty’s Laundress to be the Finest Staucii she ever used. Sold by all Chandlers, Grocers, §c. WOTHERSPOON & CO. Glasgow and London. 1 ® 1 yf