THE ANALYST viiMINISTRY OF SUPPLY: PRISCIP.41- SCIESTIFICOFFICER OK SESIOR SCIESTIFIC OFFICER.HE Civil Service Couiniissioners invite applications fromTCHEMISTS for a permanent appoiiitnieiit a t the AtomicEnergy Research Lstablishnierit, Harwell, nr. Didcot, Berks.,for work on the electro-magnetic method of separation ofstable isotopes. The duties of the post includes:-(a) Supervision of junior staff in the preparation of iiiater-ials for separation;( 0 ) The establishment of efficient methods of processingseparated isotopes to produce thein in forms satis-factory for use;Acting as deputy to the project leader with particularresponsibilities for the promotion of the use of stableisotopes in physical and radio chemistry.Candidates niust have been born on or before 1st August,1920, and must possess a 1st or 2nd class honours degree inChemistry or equivalent qualification and haw had consider-able relevant experience.The electro-inagiletic method ofseparation is applicable to all plyisotopic elements so thatthe qualification required for ( a ) and (6) above is a wide know-ledge of annlytical inorganic chemistry.Tht, Coinriiissioners may, at their discretion, admit a candi-date with high professional attainments notwithstanding thathe or she niay not possess the above qualifications.Salary scale Principal Scientific Officer (men) L960-L1,295,(wonmi) LMO-L1,140, Senior Scientific Officer (men) L520-/l!)lO, (woiiien) L595-LXlO. Post carries benefits underFederated Superannuation System for Universities.Goodhonsirig prospects for selected candidate if married.Further particulars and application forms from the Secre-tary, Civil Service Conitiiission, Scientific Branch, TrinidadHouse, Old Burlington Street, W.l, quoting So. S 4045/51.Cornpleted applications must be returned by Xth .4ugust,1951.Candidates born between 211d August, 1920, and 1st August,1925 (inclusive), may be considered for appointment as SeniorScientific Officer but must apply through the Open Competi-tion urider Sonnal Regulations already announced (So.(c)3 3 9 9).HIS MAJESTY’S COLONIAL SERVICE, h1.4L.4Y.4BIOCHEMIST is required to carrv out Research andAother routine work in the Institute of Medical Research,Federation of Malaya. The post is pensionable but theofficer will be on agreement for three years in first instance.Salary according to aualifications and experience in scaleLiOO-L1,652 including pensionable expatriation allowance.Cost of Living Allowance of between La36 and L507 accordingto salary and family coniniitinents is also payable.Govern-ment quarters and heavy furniture, if available, are provideda t norniiial rent. Officers occupying private quarters maybe granted an assistance allowance towards rent. Incometax a t local rates which are much lower than in UnitedKingdom. Free first-class passages for the officer, his wifeand children under age of ten, not esceeding four personsbesides himself, once each way during each tour of service.Leave at the rate of 15 days for each year of resident service.Free niedical attention for officer, wife and children, but acharge is made for hospital maintenance.Candidates who,sliould be under 35, should possess a British Honours degreein Chemistry or cqriivalent qualification plus at least oneyear’s approved post-graduate Biocheriiistrv experience. A1’h.D. in organic cheniistrv or eqiiivalerit post-graduateresearch is desirable. Application should be made, givingbrief particulars of qualificatioris and experience to theDirector of Recruitment (Colonial Service), 2 , SanctuaryBuildings, Great Smith Street, London, S.W.1, quotingrcference 2 7 lO6/49/51.OCHr PRODUCTS LIMITED have an opening for assist-five years, of B.Sc. or A.K.I.C. standard, who are trained orwish to do cheiiiicd analysis.Write stating qualifications,experience and salary required to the Secretary, RocheProducts Limited, Welwyn Garden City, Herts.R; ints in ? their .4nalytical Department, age about twenty-CHli?lIST, qualified, required for control of analyticalsection of laboratory at our Shaftnioor Lane worksBirmingham. Previous experience in this class of work i;essential. The position is permanent and pensionable andoffers excellent scope for initiative. State age, qualificationsand experience to Personnel Manager, Joseph Lncas Liniited,Gt. King Street, Birmingham.~~~~OMMONWEALTH BLREAU OF ASIMAL HErZ1,TH.c.4 few additional part-time abstractors are required forthc “Veterinary Bulletin ” particularly for literature onChemistry, Biochemistry, ’Physiology and Pharmacology inFrench, German, I tnlian, Spanish and Scandinavianlanguages. Details on application to the Dircctor, Corrinion-wealth Bureau of ii~iirnal Health, Veterinary Laboratory,Sew Haw, Weybridge, Surrey.SSISTANT CHEMIST, male or female, required forAgenerd analytical work.Position offers good prospects otadvancement. Work varied and interesting. Excellentcanteen facilities. Write, stating age, experience, andsalary required to Personnel Department, E.M.I. FactoriesLtd., Hayes, bliddleses.CHE!lIST (male or feiiiale) required for laboratory of largeengineering works in West London area. The workinvolves analysis of ferrous and non-ferrous alloys and inves-tigation of various problems in connection with metal finishingand corrosion.5-dav week. Pension fund. Good prospectsfor advancement. write Box No. 3577, THE ANALYST, 47,Gresham Street, London, E.C.2.UALYST required having wide experience in generalAjnalytical technique to supervise routine tests and developnew methods for a food laboratory in the North-West. Someexperience iii microbiological work an advantage. The manappointed will have considerable responsibility and be givena corresponding salary. Write Box 3 5 5 8 , THE AXALYST,17, Gresham Street, London, E.C.2.VACASCY occurs for a senior analvtical cheniist in aAlarge consulting laboratory dealing with foods andpharmaceuticals in London. Must be capable analyst andorganiser. Good prospects and experience. Conlinenringsalary L50(J-L650. Write Box 3779, THE ~ A L Y S T , 47,Gresham Street, London, E.C.2.TAFFORD ALLEN & SONS LTD require a seniorSassistant analvst for their Lo& Melf‘drd Suffolk labor-atory. Applicants should have several yea&.’ exper;ence Ofpharmaceutical analysis and should have a pharmaceuticalor A.R.I.C. qualification. Salary according to qualificationsand experience. Apply-The Directors, Stafford Allen &Sons, Ltd., Long Melford, Sudbury, Suffolk.HEFFER’SOF CAMBRIDGEare always glad to buySCIENTIFICJOURNALSespecially complete sets andruns ofT H E ANALYSTalso scientific and techaicallibraries, early books, bookson the history of science,etc.W. HEFFER & SONSLimitedPetty Cury, CambridgeEnglan