THE ANALYST.PURE ACIDS AND CHEMICALSFOR ANALYSIS.KNOWLES & PHILLIPS,47, MINORIES, E.C.PRICE LIST FORWARDED ON APPLICATION.N.B.-References as to quality and price kindly allowed by severalleading Analysts already supplied.Demy 8vo. Price 2s.O N THE ESTIMATION OF PHOSPHORIC ACID by Magnesia, forChemical Purposes: with Remark8 on the Differences to be met with in the Analysee of thePhosphates of Commerce. By E. F. TESCHEIACHER and J. DENHAY SMITH.LONDON : DAVID BOGUE, 3, St. Martin’s Place, Trafalghr Square.Now ready, Sixth Edition, price 18s.MODERN MEDICAL THERAPEUTICS.Physicians-English, American, and Foreign. By GEORGE H. NAPHEYS, A.M., M.D.A Compendium of RecentFormulse and Specific Therapeutical Directions, from the Practice of Eminent ContemporaryNow ready, demy 8v0, with copious Tables, price 9s.ATERIA MEDICA AND PHARMACY.For the use of Medical andPharmaceutical Students preparing for Examination. By W. HANDSEL GRIFFITHS, Ph.D.,L.R.U.P., Edin., &c. Edited by GEORGE F. DUFFEY, M.D., F.C.S., Fellow and Censor, Ring andQueen’s College of Physicians, Examiner in Materia Medica in the Queen’s University.Now ready, Fourth Edition, 1s. ; or mounted on rollers, varnished, 3s. 6d.POSOLOGICAL TABLES : A Classified Chart of Doses; showing at a glfiiicethe Dose of every Officinal Substance and Preparation. For the use of Practitioners and Students.By HANDSEL GRIFFITHS, Ph.D., L.R.C.P., &c., late Professor of Chemistry Ledwich School of Medicine.SMALL LABORATORY to be DISPOSED OF, situate in the EUSTON A ROAD (near Gower Street Station), suitable for either Educational or Analytical Purposes.It isfitted up with Operation Table ; Gas and Water laid on ; a Fume Chamber, and a large quantity ofChemicals and Apparatus.-For particulars apply by letter to F. C. S., care of M. PITTMAN, Stationer,2 and 2, Silver Street, Campden Hill, Kensington, WTHE ANALYST.THE A 1 GL0-A P i E RICA PJ TIN S TAM PIN G COM PA NY, L l MITE DSTOUESPORT, WQRCESTEFCSHXRE.SEAMLESS, PLAIN, RETINNED, AND JAPANNED WARE.MANUFACTURERS OF IXPROVEDSTRAIGHTDEEP MILK PAN.DISH PAN.The only Company iii England producingAmerican and English Patterns of StampedWarc by American Machinery. AlsoMOTTLEDSAUCEPAN.Sole Licencees, under Letters Patent of August 7th, 1%"/, for the ?lanufacture of WROUGHT-IRONENAMELLED WARE in the United Ihngdom.WASH BASIN.D DEEPFLARING NG PAN.MILK PAN.TEE ANGLO-AMERICAN ENAMELLED WARE is a NEW article of Enamelled Wrought-Iron Hollow-ware, differing fromsimilar articles manufactured in Europe in the tenacity with which the enamel clings to the iron upon which it is fused; i n thebrilliancy of its glaze ; i n tho beauty of its ormmentation, due to the colouring oxide supplied by the iron body, which in theennmelling process is absorbed by the glaze and distributed through i t in great variety of curious ana attractive forms ; in thethinness of the enamel, which insures its elasticity, whereby i t the better resists fracture ; in the absolute purity and laam-Zessness of the enamel ingredients ; in its perfect insolubility under any action of heat, acid, or water, in culinary operations,which insures ITS ABSOLUTE SAFETY IN USE, as the following certificate will testify :-[COPY] JOHNSON, MATTHEY &, CO., Assayers and RIe!ters to the Bank of Endand Her Majesty's Mint &a.Assay Offices and Ore floors: Hatton Garden, Lohon, E.C.CERTIFICATE OF ASSAY. February Sth, 1879.We examined the sample ENAMELLED PANS FOR EXAMINATION AND ANALYSIS, marked BE under, and find thefollowing to be the result :The pieces of enamel consist of a silicate of Soda, Alumina, and Lime: entirely free from Antimony and Lead.Theenamel, as set upon the pans, confirms our experiments with the sample of enamel itsel! received separately.The pans havebeen subjected to the action both of acetic acid and mute mineral acidfi, which thsy resist perfectly We consider therefore,For the Anglo-American Tin Stamping Company, Limited.that as enamelled ware it is thoroughly adapted for culinary nnd domestic purposes. JOHNSON, MATTHE+ t co.The Anglo-American Tin Stamping Co. will be glad to correspond with buyers regarding special sizes or patterns of goodsfor their markets.Illuatvated Catalogue, Prices, and Tmns fffintis,2ed o n npplicntion, or throuah any Merchant or Factor.Export Liverpool Agents, HENRY NASH & Co., 12 and 14, Tower Buildings North, Water Street.Export London Agents, BROOKER, DORE & Go., 2, Rood Lane, Fenchurch Street.MARD 08 SOFT WATER ?-THE PORTER-CLARK PROCESSi For the Softening and Filtration of Water in large quantities, within small space, at small cost.The removal of the carbonates of lime and magnesia and iron from hard waters is the removal of( a ) The cause of enoimous waste of fud occasioned by incrustation of stcxm boilers and pipes ;( b ) The cause of impcrfert clrnnsing and purification of ond injury to linen and woollsns in laundries'( c ) The cause of the frightful waste of soap, soda, and other rtlkalies by which those injuries are'imparted and theimpurities retained.I n County Asylums, Steam Laundries, and Mncufactorics ; acd for the T o m Supply of Old and New Swindon and the RailwayWorks, the Porter-Olark Process is treating hundreds of thousands of gallons per day.The filtration is exquisite, and everything arrested is removed daily.Patented by JOHN HENDERSON PORTER, CEO, 1 & 2, Tudor St., Blaclkfriws, London, EX,THE SANITARY FLUID.ANTISEPTIC DISINFECTANT for Preventing Epidemics and Destroying InfectiousThis Fluid is a powerful Antiseptic, Disin-fcctnnt and Deodoriser, and from its harrnlcssness may be applied in any direction without any ill-effects,and with the best possible results.THE '' PRINCESS ALICE " CALAMITY.-The Sanitary Fluid was used at the Woolwich Dock-J ard for Disinfecting over 600 bodies.The Clothing taken from the Bodies and over 500 Sheets were::luo Disinfected in large Cauldrons. Also the Bnilding, Yards, &c., giving the greatest satisfaction to thenockysrd and Parish Authorities. The work was carried out under the superintendence of Mr.HARMER.SIR,-I beg to inform you thatI consider your Disinfectant, as applied in the Dockyard, both to buildings and clothing, after thoremovul of the dead from the premises, very efimcious, and, from its cleanliness and absence of smell,superior to the Disinfectants in the forin of powder generally used.-Faithfully yours, J. T.~~ARRINGTON, Assistant Commissary General.For Asylums, Schools, Sanitary Authorities, Railway and Dock Companies, Workhouses, Shipping, &c.Price 1s. per bottle ; 3s. 6d. per gallon ; large qiantities at a cheaper rate, of the Sole Manufacturer,W. J. HARMER, West Ham Lane, Stratford, E., or through Agents.Thc MAGIC FLUID for General Household Purposes, price 1s. 6d. per gallon. Write for Pamphletwith TeFtimonisls, &c. NON-POISONOUS.Diseases, as supplied to the Royal Arsenal, Woolwich.TEsTInroxIAL.--" H.M. Dockyard, Woolwich, September 23, 1878.Mr. Harmer, Stratford, E."Printed for the Proprietors by JOHN DAVIS, Old Kent Road, S.E. ; and published by BAILLT~RE, TINDALL & Cox, KingVilliam Street, Strand, W.C., to whom all communications should be addressed