NA TURE 



[February 23, 1899 



BIRKBECK INSTITUTION, 



Breams Buildings, Chancery Lane, E.C. 



I'icr.oiAi, : C, AK.MI 1 Ai;i;sMn II. M.A, 



DAY AND EVENING CLASSES. 



UNIVERSITY OF LONDON.-Complae )).>>■ Course:^ fur all lh« 



K\amiiiation>i in Science, and Complete Evening Cuur.ses for all the 



Exaniin.-ilions for the Science, Arts, and Law Degrees. 

 SCIENCE CLASSES in every Branch, with Practical Work. Well 



c*iuipped Laboratories for Chemistry, Physics, biology, Botany, and 



Metallurgy. 

 LECTURES on Political Economy, Commercial Geography, Common Law, 



Bankruptcy, Equity and Conveyancing, Logic, Psychology, anti 



Kthics. 

 CLASSES in L.inKuages, Literature, English and Commercial Subjects. 

 CONJOINT BOARD : lectures and Practical Work in Chemistry, Physics, 



Hi_.lu;;v. .uid Practical Pharmacy. 

 SCHOOL OF ART (Day and Evening).— Drawing, Painting, Designing, 



.Modelling, Life Classes, &c. 

 CIVIL SERVICE.— Assistant Surveyor of Taxes, &c. ; Second Division, 



Protputus. Calendar (M.y and Syllabuses of Cla 



t application to tlu 



BRITISH MUSEUM. 



The Reading Rooms will be Closed from Wednesday, March i, i 

 Saturday, March 4, inclusive. 



E. MAUNDE THOMPSON, 

 Director and Principal Librarian. 

 British Museum. Febru.^ry 21, 1S99. 



COACHING. 



CHEMISTRY, PHYSICS, BIOLOGY. 



All EKaniinations — Conjoint Board, University of London, D. P. H., &c.. 

 Theoretical and Practical. Small Classes or Private Tuition. Well-fitted 

 Laboratories. Practical Forensic Medicine. — " R. C," g Heathcote 

 Slre«<, G ray s Inn Road . Lon don, W .C. 



Gu Y^snaoaprrAL: 



EKTR.\NCE SCHOLARSHIPS IX SEPTE.MBER t899. 

 Six Open Scholarships, three (.Ctso, {,60, and .£50) in Science, and three 

 iXioo, ;£5o, and /30) in .Xrts. P.irticulars, and copies of Examination 

 Pa pers, on applicatio n to the Dean. Guys Hospital, London Bridge, S.E. 



GUY'S hospital: 



PRELIMINARY SCIENTIFIC (M.E. Lond.) CLASSES are beld 

 throughoutlhe year. Special Instruction is given forthejuly E.\amination. 



WANTED.-CHIEF CHEMIST and 



MANAGER of WORKS, bya leading London Firm of Manufacturing 

 Chemists employing several hundred people. The qualifications 

 necessary for the position arc high and well-grounded scientific know- 

 ledge and attainments; good practical e.\periencu in carrying out 

 manufacturing processes ; exceptional powers of organisation and 

 administration ; lact ; good judgment ; capability to direct anti control 

 ■scientifk workers engaged in the manufacture of fine medicinal 

 cbeoiicals and pharmaceutical products. A gentleman with University 

 training and Degrees preferred. The position commands a liberal 

 salary. Replies will be treated in the strictest confidence if so desired. 

 — Address, stating age, ciualifications, and experience, to "Slanager," 

 c/o Messrs. Markbv, Stewart, & Co.. 57 Coleman Street, London. 



WANTED, an ANALYTICAL CHEMIST 



of exceptionally high and proved ability and accuracy, with good e.vperi- 

 ence in testing Medical Chemicals, to lake the position of Chief 

 Analyst at the Works of a leading London Firm of .Manufacturing 

 Chemists. A gentleman who has taken University Degrees preferred. 

 — Address, stating age, qualifications, and e.vperience, to " .\nalysl," 

 ■c/o Messrs. .Marki.v, Stewakt, & C"., 57 Coleman Street, London, 

 E.C. 



TECHNICAL COLLEGE, 

 HUDDERSFIELD. 



The ASSISTANT LECTUKK.sil 1 1' ,n ENGINEERING is Vac-uit. 

 Applications to be sent in to the Pki.ncii-ai. not later than February 27. 

 Statement of duties and other particulars may be obtained upon 

 .application to 

 _^_^__ THOS. THORP, Secre tary. 



RESEARCH. 



CHEMISTRY .\ni. I'IIYSICS. 



Well-fitted LABOKATOKIES can be used for Research at any hjur 

 convenient to Workers. Dark Room for Photographic and other Work. 

 Workshop for making Apparatus. Electric Mains for Experiments.— 

 -■T.." g He.->thcot e Stre et. Gr.ty s Inn R o.id. W.C . 



phcenTx fire^ffice7 



9 LOMBARD ST., E.G., and 57 CHARING CROSS. S.W. 



KslAIlLISllKIl I7S2. 



MODERATE RATES. ABSOLUTE SECURITY. 



ELECTRIC LIGHTING RULES SUPPLIED. 



LIBERAL LOSS SETTLEMENTS. 



PROMPT PAYMENT OF CLAIMS. 



Sbcritakiks-W C. M,\CI«iN.\1.1> and K. II M.XCDONALD 

 X.OBBBS PAID OVER £30,000,000. 



BOROUGH POLYTECHNIC 

 INSTITUTE, 



loj BOKOUdll KO.\U, S.E. 



The Governors of the above Institute invite .\pplic.-itions for the Post o 

 A.SSISTANT in theCHEMISTRV DEPART.MENT. Salary, ,£120 per 

 Annum. Candidates will be required to undertake the Teaching of Classes 

 in the Technical Day School and in the Evening Department. Full par- 

 ticulars may be obtained from the Principal. 



Applications, accompanied by not more than three recent Testimonials, 

 should he sent in before .March 6, addressed to 



C. T. MILLIS, Principal, Education Department. 



In answer to numerous Enquirers, A. HILGER begs 

 lo state that he is now supplying a simple form of Laboratory 

 Spectro.scope suitable for use in Schools and Colleges. The 

 circle is divided through 90°, reading by vernier to I minute. 

 A dense flint prism of good definition, dividing D distinctly, is 

 provided. The slit is adjustable, and has a comparison prism. 



P/ic,-. ,,'mfhl,' in ,-„i,; £6 lOS. 

 Pocket Spectroscopes, for Rainband and Chemical 

 Observations, from £1 Is. 

 Symmetrical Slits, Schultze Cells, and other require- 

 ments for Absorption Experiments 

 Cell Prisms wrlth Quartz or Glass Plates, i&c. 

 Micro-Spectroscopes of the highest quality. 

 Instruiitcnts for spt'cuil purposes designed and executed on the 

 shortest notice ; or made from supplied designs. 



ADAM HILGER4 



204 STANHOPE STREET, N.W. 



BREWSTER, SMITH, & CO., 



6 CROSS STREET, FINSBURY PAVEMENT, E.C 



Manufacturers and I.mi'Okikrs ok 



CHEMICAL AND SCIENTIFIC APPARATUS 



PURE CHEMICALS. 



Apparatus for School and TraOe purposes. 



Finest Bohemian and Jena Hard Glass, also Cheap Germai 

 Glass Goods, graduated and verified Burettes, Pipettes, am 

 c.c. Measures, Balances, Metric Weights, either separately o 

 n Sets. 



Our New Test Tube Stands (Patent applied for) will hold any size Tes 

 Tubes, from 4 to i^ inch diameter. A great advantage over the ordinary 

 Stands in use, which only have J-inch holes. 



Illustrated Price List of Chemical Apparatus, wherein New ApparatHt 

 '.uilt be found described. Post Free. 



IFREDK. JACKSON & Go. 



ftijjOkf (Late tUlOTTERSHEAD & CO.). 



14 CROSS STREET, MANCHESTER. 



Qoois Entrance: JO Half-Moon Street. 



I LABORATORY FURNISHERS, 



, Importers, Manofactiuera, and Dealers In 



1 CHEMICAL AND PHYSICAL 

 APPARATUS 



Of every Description. 



Fine Chemicals, Volumetric Solatlons, 

 Plain and Stoppered Bottles, 



AND EVERY LABORATORY REQUIREMENT. 

 lUastrated Catalogue ol Apparatus, with Prloa 

 of Obemlcala, free oq applloallon. 

 Telegraphic Address — " Ai'I'akatus, Manchester." 



n n Q Q n R X-RAY Tuiisiirs^' 



y y ^^M n AnOdeS.issuppliedtoJ..\IackeniieD.ividson 

 ACTUAL .MAKlvK, 



67 FARRINGDON 

 ROAD. E.C. 



MERCURY PUMPS. 



EXPERIMENTAL AND SCIENTIFIC GLASS BLOWING. 



