NA TURE 



[October 5, 1905 



LONDON HOSPITAL MEDICAL 

 COLLEGE. 



(UNIVERSITY OF LONDON.) 



DEMONSTRATOR OF BIOLOGY. 



There is a vacancy for a DE.MONSTR.\TOR of BIOLOGY at this 



College. The Demonstrator will be required to attend three days a week, 



to assist the Lecturer in Zoology and Botany. 



Gentlemen desirous of applying for this post are requested to send in 

 (heir names to the Wakden not later than October 25. Salary, .£90 per 



Turner .Street, Mile End, E. 



MUNRO SCOTT, Warden. 



PORTSMOUTH EDUCATION 

 COMMITTEE. 



(HIGHER EDUCATION.) 

 MUNICIPAL TECHNICAL INSTITUTE. 



The Committee invite applications for the position of ASSISTANT 

 LECTURER for CIVIL ENGINEERING. Salary, {.x^^ per annum, 

 rising by i,% increments to.£t50. 



Application Forms and particulars to be obtained from the Principal 

 " whom Forms should be returned not later 



UNIVERSITY COLLEGE OF SOUTH WALES 

 AND MONMOUTHSHIRE, CARDIFF. 



(A Constituent College of the University of Wales.) 



The Council invites applications for the post of LECTURER in PURE 

 IMATHEM.4TICS at a salary of ;£i8o. The appointment will be for one 

 year. Applications, with testimonials or rererences, should be sent on or 

 before Saturday, October r4, 1905, to the undersigned, from whom further 

 particulars may be obtained. 



J. AUSTIN JENKINS, B.A.. Registrar. 



University College, Cardiff, September 27, 190;. 



UNIVERSITY COLLEGE OF NORTH 

 WALES, BANGOR. 



(A Constituent College of the University of Walks.) 



Applicalioni are invited for the Post of JUNIOR DEMONSTRATOR 

 in CHE.MISTRY now vacant. 



Applications and Testimonials should be received not later than Satur- 

 day. October i^, by the undersigned, from whom further particulars may 

 be obtained. 



September i\, 1905. 



To SCIENCE and MATHL. MASTERS.— 



Immediate Vacancies — (i) Mathematical Master for School in W. 

 London. University man preferred. ;£t5o, non-resident. {2) Graduate 

 in Science Honours for Public College. Chemistry and Physics, lioo, 

 non-resident. (3) Mathematical Master for County School. Graduate. 

 /14a, non-resident. — For particulars of the above and many other 

 vacancies, address Griffiths, Smith, Powell and Smith, 

 Tutorial Agents (Estd. 1S33), 34 Bedford Street, Strand, London. 



DARLINGTON EDUCATION 

 AUTHORITY. 



WANTED immediately, an ASSISTANT in the TECHNICAL 



COLLEGE to take charge of the-Chemical Department and to teach some 



other Elementary Science in the Day Classes. Salary, .C'So per annum. 



.Applications, stating full particulars, to be sent as soon as possible to 



Education OITice, Darlington. THE SECRETARY. 



For other Scholastic Advertisements^see pelves ccxxii aiti^ cc.xxiii. 



Salc0 b\) auction. 



SALE OF NATURAL HISTORY SPECIMENS. 

 TUESDAY, OCTOBER 10, at 12 50. 



MR. J. C. STEVENS will Offer at his 



Rooms, 38 King Street, Covent Garden, London, W.C, Several 

 Collections of Lepidoptera, British and Exotic ; Minerals and Fossils ; 

 Heads and Horns of Big Game ; Fine Skins, and many interesting 

 specimens of all kinds. 

 On view day prior two to five, and morning of sale Catalogues on 

 application. 



THE CONTENTS OF THE OBSERVATORY AT 

 "STARFIELD," CROWBOROUGH. 

 TUESHAV, OCTOBER 17, at 12.30. 



MR. J. C. STEVENS has received instruc- 

 tions from the E.xecutors of the late Dr. Isaac Roberts to Sell by 

 Auction, on the premises as above, the contents of the Observatory, 

 comprising a 20-inch Photo Reflecting Telescope with two mirrors ; 

 Two Astro. Stellar Camera^ ; a 7-inch Object Glass, Cooke Refractor ; 

 the Equatorial Stand, with Driving Clock, by Grubb; Transit Instru- 

 ment ; Sidereal Clock, by Palmer ; Micrometers ; Two-day Ship 

 Chronometer, by Farqubar ; Spectroscopes ; Lathe and Tools, and 

 other important effects. 

 May be viewed week prior from ten to four, and morning of sale. 

 Catalogues and all p.irticulars on application to Mr. I. C. Stevens, 



38 King Street, Covenl Garden, London, W.C. 



Chemist and Assistant Works Manager 



required for a responsible position in a Works near London where 

 secret and patented processes are in operation. Commencing salary, 

 /200. Investment of j^zooo necessary. ^ Address " Bo.\ 187s," 



c/o Natukk. 



Youth, four years' experience, wants post in 



Chemical Lab., School or Works.— Apply ■Lauukatokv," c/o Nature. 



FOR SALE. — Proceedings of Physical 



SOCIETY from commencement to present time, 18 volumes ; also 

 about 14 volumes of Abstracts, Memoirs, &c. All bound in publisher's 

 case. Price ;^8-— .Apply Headmaster, King's College School, 

 Wimbledon Common. 



JENA LABORATORY GLASSWARE. 



BOILING FLASKS, BEAKERS, 



RETORTS, TEST TUBES, TUBING 



FOR EXPLOSION FURNACES. 



COMPOUND TUBING (D.R.P.) 



Resisting in a higi) degree sudden 



changes of temperature and the 



action of corrosive chemicals. 



Combustion Tubing for Elemen- 

 tary Analysis. ('■'i^„'=a';",iira?iU;") 

 SCHOTT & GEN. Glassworks, Jena (GERMANY). 



, on sale with the following firms : 



Dlaiirlifsl*'!'. 

 JAMES WOOLLEY, SONS & 

 Co., Lt(i., Victoria Bridge. 

 .\fH<-:i»IU-lili<iii-T.vii«>. 

 BRADY & MARTIN, Ltd. 

 LoiKlon. 

 BAIRD & TATLOCK (London) 

 Ltd., 14 Cross Street, Hatton 

 Garden, E.C. 

 F. E. BECKER & Co. (W. and J. 



George, Ltd., Successors), 331037 

 Hatton Wall, HattonGarden, E.C 



A. GALLENKAMP & Co., Ltd., 

 i9&2oSunStreet, Finsbury,E.C. 



JOHN J. GRIFFIN & SONS, 

 Ltd., 20-26 Sardinia Street, 

 Lincoln's Inn Fields, W.C. 



TOWNSON & MERCER, 34 

 Camomile Street, E.C. 



MARBLE REDUCED 



TO QUICKLIME IN 



10 MINUTES 



with our NEW BLAST 



BUNSEN BURNER AND 



MIDGET FURNACE. 



.ike these in two sizes at 

 ent, ^" and %", and the prices 

 -Burners only, 1/6 and 2/6 ; 

 plete with Furnace, 4-/6 and 



The consumption of gas is the 

 same as with an ordinary Bunsen, 

 but the heat derived is three 

 times as great, and a number of 

 interesting e.xperiments can be 

 performed with them, which 

 have only been possible before 

 with very e.\pensive furnaces. 

 lyc arc the SOLE MAKERS. 



bination of furnace and burner is very 

 t only useful for reducing calcium 

 11 in fusion experiments.' 



BISE'WS'rSR, SIVEII-XX SC GQ.t 



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Makers and Importers of every description of Scientific 

 Apparatus and Chemicals. 



LABORATORIES FITTED & FURNISHED THROUGHOUT. 



Our NEW CHEMICAL APPARATUS LIST post free, i/- 

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