NA TURE 



[December 23, 1922 



A CHRISTMAS COURSE OF ILLUSTRATED LECTURES 



ROYAL INSTITUTION OF GREAT BRITAIN, 



21 ALBEMARLE STREET, W. 



Professor H. H. TURNER, D.Sc, UC.L., F.R.S., will deliver a 

 Christmas Course of Six Illustrated Lectures (adapted to a Juvenile 

 Auditory) on "Six Steps up the Laddeu to the Stars": "The 

 Distance of the Stars," Thursday, December 28 ; " The Discovery of the 

 Planet Neptune," Saturday, December 30, 1922; "Photographing the 

 Stars," Tuesday, January 2, 1923 ; " The Spectroscope and its Revelations," 



BATTERSEA POLYTECHNIC. 



LONDON, S.W.I I. 

 Principal— Robert H. Pickard, D.Sc, F.R.S. 



ten preparing to be teachers of Do 

 utional Matrons and Housekeepers a 



md Infan 



fur 



Full-time day 

 Subjects. 



Preparation fur posts 

 colonial and home life. 



Full-time day courses of training for Women Health V 

 Welfare Workers. 



Evening courses of training for Sanitary Inspectors, Health Visitors 

 Meat and Food Inspectors, Smoke Inspectors, etc. 



Day and Evening courses in Art, Music, and Domestic Science. 



Hostels for Women Students. Large Athletic Ground and numerou! 

 clubs and societies. 



NATIONAL UNION OF SCIENTIFIC 

 WORKERS. 



The Aim of the NATIONAL UNION of SCIENTIFIC 

 WORKERS is to bring together into one professional organisa- 

 tion all qualified scientific workers, viz. : 



Those engaged (a) In Higher Educational and Research 

 . Institutions. 

 (d) In Industry and Consultative Practice. 

 (<•) In State and Municipal Scientific De- 

 partments. 



Applications for membership are invited from all scientific 

 workers with university degree or equivalent professional quali- 

 fication. Further particulars may be obtained from 



THE GENERAL SECRETARY, N.U.S.W., 

 25 Victoria Street, S.W.I. 



CHELSEA POLYTECHNIC, 



CHELSEA, S.W.3. 



Day and Evening Co 



gnised Teache 



rrses in Science under 

 of London University. 

 I. INDUSTRIAL CHEMISTRY DEPARTMENT. 



Technical Courses in Analytical and Manufacturing Chemistry, 

 Pharmacy, Food and Drugs, A.I.C. Courses, Metallurgy, Assaying, 

 Foundry Work, Research. 



II. INDUSTRIAL PHYSICS DEPARTMENT. 



Practical work in General Physics, Applications to Industries, 

 Metrology, Calorimetry, Illumination, Acoustics, Electrical 

 Measurement, Research. 

 III. BIOLOGICAL AND GEOLOGICAL DEPARTMENT. 



Courses for B.Sc, etc., in Botany, Geology, Mineralogy, Zoology, 

 Special Courses in Bio-chemistry, Bio-physics, Bacteriology, 

 Physiology, Hygiene, Entomology, Plant Pathology. Course for 

 Tropical Planters, Research. 



Lent Term begins Jauuary 9, 1923. 



SIDNEY SKINNER, M.A., 

 Telephone: Kensington 899. Principal. 



DORSET FIELD CLUB. 



AGRICULTURAL CHEMISTRY. 



THE CECIL MEDAL and PRIZE of £10 will be awarded in May 

 1923 for the best Paper on "Recent Advances in Chemistry as applied to 

 Agriculture, with special reference to Dorset conditions." Open to Persons 

 aged 17-35, horn in Dorset or resident One Year between May 1, 1921 

 and 1923. 



Particulars from Mr. H. Pouncv, Dorchester. 



THE QUEEN'S UNIVERSITY OF 

 BELFAST. 



DEPARTMENT OF PHYSICS. 



APPLICATIONS are invited for the LECTURESHIP in PHYSICS. 

 Salary X450 per annum. 



Particulars of the appointmenl may be had from 



J. M. FINNEGAN, Secretary. 



The Misses FARRAN 

 10 Bell Yard, Temple Bar, W.C.2, 



HAVE CONSIDERABLE EXPERIENCE IN 



COPYING SCIENTIFIC MS. 



AND ARE PREPARED TO 

 UNDERTAKE ANY QUANTITY. 



YOU CAN GET ANY 



SCIENTIFIC BOOK 



FROM 



WHELDON & WESLEY, Ltd. 



2, 3, & 4 ARTHUR ST., NEW OXFORD ST., LONDON, W.C.2. 



. are in need of any SECOND-HAND BOOK 

 Natural History or Science apply 



DULAU & CO., Ltd., 



ablished 1792. 



34, 35, 36 Margaret Street, 

 Cavendish Square, London, W. 1 . 



MESSRS. SOTHERAN 



Scientific Department on the first floor of 

 selection of their large stock in 

 re, works on Exact and Applied 



have now opened 

 their Strand House, where 

 modern, as well as old and 

 Science may be seen on the shelves. 



They would also call attention to their facilities in getting sets 

 or runs of periodicals on scientific subjects, as well as rare or 

 out-of=print books they may not have in stock already. 

 HENRY SOTHERAN & CO., 140 STRAND, W.C.2, & 43 PICCADILLY. W.I, LONDON. 



