NA TURE 



[November 2S, 1901 



ROYAL INDIAN ENGINEERING 

 COLLEGE, 



COOPERS IIIIJ.. 



AiiuHcationsarc inviled for Ihc post of DEMONSTRATOR of ELEC- 

 TROTECHNOLOGY at the R. I. E.Colleee, Coopers Hill, Staines. 



C.indidates will be expected to have a Theoretical and Practical Know- 

 ledge of Electrical Testing, Dynamos, Motors, Secondary Cells, Arc and 

 Incandescent Lamps, Alternators, Transformers and Polyphase Machinery. 

 The duties will be mainly confined to Laboratory Instruction. University 

 graduates preferred. Salary j^iso, rising to j^aoo, with free bachelor 

 quarters in the College. 



Applications, with copies of testimonials, to be addressed to the Pro- 

 fessor OF ELECTROTECHNOLor.v, R I. E-College. Coopers Hill, Englefield 

 Green, Surrey, and to be sent on or befjre December i6. 



UNIVERSITY COLLEGE, LONDON. 



QUAIN PROFESSORSHIP OF PHYSICS. 



The Council will .- 

 sioned by the resign 



Applications, acco 

 to submit, should re; 



lortly proceed to till the vacan 

 tion of Prof. H. L. Cai.i.f.ndar 

 ipanied by such testimonials a- 

 cli the Secretary on or befon 



,- in this Chair occa- 

 M.A., F.R.S. 

 candidates may wish 

 Tuesday, December 



1 application. 



T. GREGORY FOSTER, 



UNIVERSITY COLLEGE OF WALES, 

 ABERYSTWYTH. 



JUNIOR DEMONSTRATORSHIP IN PHYSICS. 



The Council invite applic 

 tht Department of Physics : 



Applications, with testimc 

 ■whom further particulars 

 December 3, igoi. 



itions for the post of Junior Demonstrator in 

 : the above College. 



liaU, should be sent to the undersigned (from 

 my be obtained) not later than Tuesday, 



T. MORTIMER GRIIIEN. Registrar. 



ADDEY AND STANHOPE SCHOOL 

 OF SCIENCE, 



NEW CROSS ROAD, S.E. 



WANTEDon January 13, 1902. a SCIENCE TEACHER (Master i 

 Mistress) qualified to teach Mathematics, Chemistry, Physics and Gei 

 nielry. Salary, ^100 p^-r annum. 



Apply at once, giving full particulars, to the Head Master. 



HEATHCOTE SCIENCE 

 LABORATORIES. 



COMMERCIAL and SCIENTIFIC RESEARCH work can be carried out 

 in these Laboratories in CHEMISTRY, ELECTRICITY. General 

 PHYSICS and BACTERIOLOGY, Rontgen Ray Work and Photography 

 at any times suitable to workers. Private Laboratory if desired. Powerful 

 ELECTRIC Currents. Private and Class Tuition in the above Subjects. 

 THE DIRECTOR, 

 Heatbcote Street. Gray's Inn Road. 



CHEMICAL AND PHYSICAL APPA- 

 RATUS TRADE-SENIOR ASSISTANT Wanted, alsiJUNIOR, 

 used to the despatch of orders. State age, experience and salary 

 required.— PHlLir Harris ,S: Co., Ltd , liirminKham. 



MR. R. A. BUDDICOM, B.A.Oxon., F.G.S., 



Curator lately resigned of the Plymouth Museum and Art Gallery, acts 

 as Consultant in Designing Museum liuildings. Cases, Coll. ' 

 17 Craven Hill Gardens, Hyde Park, W. 



FOR SALE.— " Nature," complete set. 



Vols. i. to l.\iii., bound, but not quite uniformly. •' N.itur.il Science," 



nplete set. Vols, i.-.w.. bound by years in half-c.ilf, original 



■ ■ " :r or both. Address, " C. W. , office of 



Natur 



olTers foi 



TO SCHOOLS AND STUDENTS. 



ASTON & MANDER 



cd 



DRAWING INSTRUMENTS 



which are made in their own workshops, by skilled men, to the 



highest degree of accuracy and finish 



ym- Illiutritl.-.l l.ht frit on wciilimiin/: NATfitE. 



STUIIEN l.s CASES from 4s. 6(1. t.j £3 3S. 



61 OLD COMPTON STREET, LONDON, W. 



J. BACKHOUSE & SON, 



LIMITED, 



(SCIENTIFIC DEPARTMENT) 

 ■VOR-JK. 



Supply all Botanical Material required for Lecture and Demon- 

 stration purposes and for Class-work. Fresh, or preserved in 

 Alcohol. Insectivorous Plants. Plants for Physiological Experi- 

 ments. Museum Specimens. Microscopical Preparations. 

 Prices strictly moderate. 



BIRKBECK INSTITUTION, 



Breams Building's, Chancery Lane, E.C. 



Pkinciial: C. .\RMlTAGE-SMri H, .M.A. 



Science Classes with Practical Work. 



DAY AND EVENING COURSES for— 



UNIVERSITY of LONDON. -K.Sc. Pass and Honours, 

 Inter. Sci , Prelim. Sci., and Inter. M.Ii. (Chemistrj') E^•amination^. 

 CONJOINT BOARD, DENTAL and PHARMACEUTICAL 

 EXAMINATIONS. 



COMPLETE DAY COURSE IN METALLURGY AND MINING. 

 HIGHLY EQUIPPED LABORATORIES, for— 



CHEMISTRY. PHYSICS. BIOLOGY (ZOOLOGY and BOTANY), 

 METALLURGY, GEOLOGY and MINERALOGY. 

 EVENING CLASSES in all liR.\NCIIES of SCIENCE. 

 Prospectus free. Cah-ndnr iSeiSion 1901 2\ ed. Bii post Sd. 



SCHOLASTIC— Applications are invited 



from SCIENCE Masters for the following posts: (i) Physics, 

 Chemistry desirable. Graduate, ;£t50 non-res. ; (2) B Sc. or A.R.C.S. 

 for School in Ireland, ;£ioo and residence; (3) Chemistry, Physics, 

 Mathcs., Drawing, /loo, resident ; (4) B.Sc. for Science and Matbcs,, 

 Pr.actical Work, ^fiSo to ^fiioo, resident ; (5) Malhcs., Chemistry, 

 Physics and French or Drawing, JC90 to ;Cioo, resident ; (6) Chemis'ry 

 and Physics, County School, £i2a, non-resident ; (7) Science and 

 Mathcs., /;i20, non-resident, to commence. — .^pply, giving full details, 

 to Griffiths, Smith, Powell, and S.mith, Tutorial Agents (Estbd. 

 183",), :;4 Bedford Street, Strand. London. 



TO SCIENCE MISTRESSES. — Wanted 



for London High School, Science Mistress. Dr.wing desir.ible. Salary 

 ;Cioo (about), nonres -(:) Science and M.athcs, (or Public School. 



/6n, rt-i (') !".v-ic-. Chemistrv and H\z\ ' I'u'' 'i - School)- Fair 



salary. \.Mi.- " iviih full .k-lails. ( ;kifi n ■ i - -■! 1 , P.. well, AND 

 Smit'ii. f .III .111,111 J \i.;,.ius(Ksid. .Si;), ;, 1:, ii,,iil -n, ,■;, Strand. 



TECHNICAL COLLEGE, 

 HUDDERSFIELD, 



PuiNcii'Ai S. G. RAWSON, D.Sc. 



LECTURESHIP in ENGINEERING is Vacant. Salary, ;(;25o 

 inum. Applications to be sent in to the Pkincii-al not later than 

 iber 16. Further particulars upoi application to 



THOS. THORP, Secretary. 



BAUSCH & LOMB'S 



laboratory, 

 bacteriological 



advanced'Ic^cope. 



MODEL B. B. 



THE POPULAR 

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 With Screw Substage, Iris 

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HUYGHENIAN 



EYEPIECES, 



l-roin.-"d.iwnto *", 5/- each. 



A.E.STALEY&CO., 



35 ALDERHANBURY, 

 LONDON, E.C. 



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1 ' M< r.REAT 



I.KIT.VIN 



AND EXPORT. 



84 PAGE. FULL ILLUSTRATED DESCRIPTIVE LIST. 

 THREE PENCE TO COVER POSTAGE. 



haracter of our Stands 

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S0~ As an instance of the High-c 

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 sold over 30,000 of these M 

 sufficient guarantee of theii 



N B.— See Noles on our In^lruiiicnts 

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^.. - fact 



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