viii NATURE 
THE INSTITUTION OF MECHANICAL | 
ENGINEERS. 
THOMAS HAWKSLEY LECTURE, 1916. 
Mr. Harry E. Jones, Meweber, will deliver the above Lecture on 
“©THe Gas ENGINEER OF THE LAstT Cantury,” in the Hall of the 
Institution of Civil Engineers, Great George Street, Westminster, Friday, 
November 3, 1916, at 6 p.m. 
Visitors invited. 
GEORGE HENRY LEWES 
STUDENTSHIP IN PHYSIOLOGY. 
The Studentship is of the value of £200 a year and is tenable for three 
years. Its object is to enable promising Students to give their whole time 
to Physiological Research. It is in the power of the Trustees to elect a 
second Student. Candidates are requested to send a short statement of 
their qualifications to Prof. LANGLEY, Physiology School, Cambridge, by 
November 18. 
SOUTH AFRICAN 
SCHOOL OF MINES & TECHNOLOGY, 
JOHANNESBURG 
(Under the University of South Africa Act, 1916, a 
Constituent College of the University of 
South Africa). 
The Council of the South African School of Mines and Technology 
invites applications for the following appointments, viz. :— 
Department of English, Logic and Philosophy : 
PROFESSOR and ASSISTANT. 
Department of History: PROFESSOR, 
Department of Modern Languages : 
(i) Dutch—PROFESSOR. 
(ii) French—PROFESSOR. 
Department of Classics: PROFESSOR and ASSISTANT, 
Department of Education and Psychology: ASSISTANT. 
Department of Economics : 
Commercial Geography—ASSISTANT, 
Department of Physics: PROFESSOR and ASSISTANT. 
Department of Botany: PROFESSOR. 
Department of Zoology: PROFESSOR, 
A Three years’ contract will be granted in each case. 
Salaries: (a) Professors, £800 per annum, rising by annual increments 
of £50 to £900, and by similar increments to £1000 in the succeeding two 
years, where the appointment is confirmed and the member placed on 
the permanent staff; (b) Assistants, £350 per annum, rising by annual 
increments of £50 to the maximum of £450. 
475 will be allowed to Professors for travelling expenses to South Africa, 
and £50 to Assistants; half-salary will, in each case, be paid from date 
of sailing till arrival in Johannesburg. 
The next session begins early in March, and the successful applicants will 
be expected to reach Johannesburg by February 15th, 1917. 
The members of the staff have to supervise, and take part in, Evening work. 
Applications in triplicate, stating age, professional qualifications and 
experience, as well as information regarding candidates’ publications or 
researches, should, with copies of three recent testimonials, be sent not later 
than November x6th, 1916, to the undersigned, who, on application, will 
send a memorandum containing full information of the above appointments, 
and of the scheme for the expansion of University education on the 
Witwatersrand in the immediate future. 
Before appointment, the selected applicants will be required to pass 
a medical examination. 
CHALMERS, GUTHRIE & CO., Lrp., 
9 IDOL LANE, 
LONDON, E.C. 
DERBY EDUCATION COMMITTEE. 
TECHNICAL COLLEGE. 
The Governors invite applications from qualified candidates for the post 
of LECTURER and DEMONSTRATOR in CHEMISTRY. Salary 
4300 per annum. 
Forms of application may be obtained from the Prinetrat, Technical 
College, Derby, to whom they should be returned not later than Monday, 
Noveniber 13, 1916 
ah by WILLIAM COOPER, Secretary. 
October 916. 
LIVERPOOL EDUCATION 
COMMITTEE. 
LIVERPOOL COLLEGIATE SCHOOL. 
REQUIRED IMMEDIATELY, a LABORATORY ASSISTANT 
(man or woman) at the ab 1amed school. Salary at the rate of £65 per 
annum. Applications to | dged with the Direcror of EDUCATION, 
14 Sir Thomas Street, Liverpool, not later than Monday, November 6, 1916. 
EDWARD R. PICKMERE, 
Clerk to the I:ducation Committee. 
[OcToBER 26, 1916 
COUNTY BOROUGH OF HUDDERSFIELD 
TECHNICAL COLLEGE. 
Principal- J. F. Hupsox, M.A., B.Se. 
CLOTH MANUFACTURE. 
CHEMISTRY anv DYEING, 
MECHANICAL ann ELECTRICAL ENGINEERING. 
ECONOMICS ann COMMERCE. 
BIOLOGY, PHYSICS,- MATHEMATICS, 
The new department of COAL TAR COLOUR CHEMISTRY is open 
for teaching aud research under the direction of Dr. A. E. Everest. 
Full particulars’ on application to the Secrerary, Technical College, 
Huddersfield. 
* T. THORP, Secretary. 
LEICESTERSHIRE COUNTY COUNCIL. 
LOUGHBOROUGH TECHNICAL INSTITUTE, 
WANTED IMMEDIATELY, LECTURER in ENGINEERING 
(preferably ELECTRICAL). Salary £150 to £175, according to experience 
and qualifications. The appointment is for the period of the War, but will 
probably be made permanent in the case of satisfactory service. 
Applications, with not more than three copies of recent testimonials, should 
be sent to —Tuu PrincrPat, The Technical Institute, Loughborough, not 
later than November 1. 
W. A. BROCKINGTON, Director of Education. 
DEMONSTRATOR IN PHYSICS. 
DEMONSTRATOR in PHYSICS required in January at the LON- 
DON (ROYAL FREE HOSPITAL) SCHOOL OF MEDICINE 
FOR WOMEN, 8 Hunter Street, W.C. : 
Applications, with testimonials, to be sent to undersigned by Friday, 
October 27, from whom further particulars may be obtained. { 
L. M. BROOKS, Secretary and Warden, 
LS 
WANTED at once, a SCIENCE MASTER, 
Christ's Hospital, Horsham, ineligible for military service ; elementary 
chemistry and physics, with some knowledge of practical agriculture 
for an experimental farm. Salary £50 per term, board and residence,— 
Apply SENiok SciENCE Master. os 
READER, Scientific and Technical, required 
by old-established Publishers. Whole time in London office.—A pply, 
stating qualifications and salary required, Box 194, c/o NATURE Of ice. 
Edueational, Medieal, all other 
BOO KS ! subjects, and for all Exams. 
SECOND-HAND AT HALF PRICES: New Books at Discount Prices. 
CATALOGUES FREE. State Wants. Books sent on approva’. 
BOOKS BOUGHT: Best Prices Given. 
W. & G, FOYLE, 121-123 Charing Cross Road, London 
TO LIBRARIANS AND _OTHERS. 
JOHN WHELDON & CO. 
beg to draw attention to the fact that they hold probably 
the largest stock in the country of 
JOURNALS & TRANSACTIONS 
OF SCIENTIFIC SOCIETIES, 
Including Transactions and Proceedings, &c., of the Royal 
Society, Linnean Society and Zoological Society of London, 
Journals of the Chemical, Geological, Royal Geographical, Royal 
Microscopical, Royal Agricultural, Royal Horticultural, Royal — 
Astronomical, Physical, and other Societies, Proceedings, 
Journals and Reports of very numerous local Natural Hist 
Societies, also Nature, Knowledge, Ibis, Zoologist, Curtis’s Bo p 
cal Magazine, Journal of Botany, Technical and Engineering 
Journals, and numerous other Periodicals, British and Foreign. 
Special Catalogue of above (No. 76) just ready, 
gvatis on application. 
Sets, runs, odd yols., and numbers of Journals quoted for on application. 
Subscriptions taken for all Scientific and other Journals, which will be 
posted regularly on issue. ’ 
New books supplied to order. Out-of-print books sought for. __ 
Accounts opened with Foreign Institutions, Libraries, or private 
gentlemen on receipt of a deposit or London references. 7 
The stock of Second hand Natural History and Scientific Works is 
one of the largest in the world. Subject catalogues on application. 
on 
Books on Seientifle, Technical, 
London: JOHN WHELDON & CO., 
38 GT. QUEEN STREET, KINGSWAY, W.Cc. 
Telephone: Gerrard 1412. , 
