xc 

BEDFORD COLLEGE FOR WOMEN 
(UNIVERSITY OF LONDON). 
POST-GRADUATE SCHOLARSHIP. 
The Council of Bedford College for Women invite applications for a 
POST-GRADUATE SCHOLARSHIP in SCIENCE to be awarded in 
June 1923. Open to graduates of Bedford College only. Value £125 a 
year for two years. 
For further information apply to the Secretary, Bedford College, 
Regent's Park, N.W.r. 
PRIFYSGOL CYMRU. 
UNIVERSITY OF WALES. 
THREE FELLOWSHIPS, tenable for two years, may be awarded 
in 1923 to Graduates of the University of Wales. The value of each Fellow- 
ship will be £200 per annum. Applications from Candidates for the 
Fellowships must be received before June 1, 1923, by the REGISTRAR, 
University Registry, Cathays Park, Cardiff, from whom further information 
with regard to the Fellowships may be obtained. 
H.M. SIGNAL SCHOOL, 
R.N. BARRACKS, PORTSMOUTH. 
Applications are invited fortwo vacancies for ENGINEERS, GRADE 
Il., in the LABORATORY SECTION of the above School. The duties 
concern the development of Wireless Telegraphy, etc., for Naval purposes. 
Preference given to candidates possessing an Honours Degree in Physics or 
Electrical Engineering. 
The salary scale is £150, rising by annual increments of £10 to £300 per 
annum, plus bonus based on the average cost of living figure. The minimum 
pay plus bonus at present is £244 per annum. 
The appointments are not established and the Federated Universities 
Superannuation Scheme is applicable. 
Applications giving full particulars of the candidate’s experience, War 
Service, etc., should be addressed to THE SECRETARY OF THE ADMIKALTY 
(C.E.), Admiralty, S.W.1, from whom further particulars of the duties, etc., 
can be obtained. 
BEDFORD COLLEGE FOR WOMEN 
(UNIVERSITY OF LONDON). 
The Council of Bedford College invite applications for the posts of 
(ij) DEMONSTRATOR in ORGANIC CHEMISTRY; (ii) DEMON- 
STRATOR in INORGANIC and PHYSICAL CHEMISTRY; (iii) 
PART-TIME ASSISTANT in LATIN. 
Candidates must have an Honours Degree or its equivalent. 
Applications must be received not later than Saturday, April 28. 
For all particulars apply to the Secretary, Bedford College, Regent's 
Park, N.W.:. 
UNIVERSITY OF LONDON. 
The Senate invite applications for the following UNIVERSITY 
READERSHIPS tenable at Bedford College : 
READERSHIP in GEOGRAPHY, salary £700 a year. 
READERSHIP in MATHEMATICS, salary £500 a year. 
Applications (12 copies) for either post must be received not later than 
first post on April 13, 1923, by the Acapemic ReGisTRAR, University of 
London, South Kensington, S.W.7, from whom further particulars may be 
obtained. 





UNIVERSITY OF LONDON. 
The Senate invite applications for the RAMSAY MEMORIAL CHAIR 
of CHEMICAL ENGINEERING tenable at University College. Full 
particulars may be obtained from the Acapemic ReGisTRAR, University of 
London, South Kensington, London, S.W.7. 

UNIVERSITY OF LONDON, KING’S 
COLLEGE. 
The Delegacy require the services of a DEMONSTRATOR in BOTANY 
(man). Salary £250 per annum. The duties wi!l commence in April. 
Opportunities will be given for research work. 

Applications, with two copies of not more than three recent testimonials, 
should be received not later than April 10 by the SecreTary, King’s 
College, Strand, W.C.z, from whom further particulars may be obtained. 

X-RAY ENGINEER requires position. 
Considerable practical experience and good kuowledge of theory ; also 
scientific side of } Box 
65, clo Nature Office. 
MUSEUM ASSISTANT; Youth 18, seeks 
post. Camb. Senr. 2nd Class Honours, Matric, Exemp"., Entomologist, 
Illustrations line and colour. Natural History. Prehistoric Man, 
K. WILKINSON, 64 Longstone Road, Eastbourne. 



work, including physics and mathematics. 


References. 
NATURE 


[MarcH 24, 1923 















RESEARCH APPOINTMENT UNDER 
THE MINES DEPARTMENT. 
The Secretary for Mines invites applications for a POST under the Safety 
in Mines Research Board. The appointment is a whole-time one and the 
provisions of the Federated Universities Superannuation Scheme apply. 
The salary, including superannuation contributions and all other emoluments, 
will depend upon the qualifications of the candidate selected and will not ex- 
ceed £2000 per annum. 
Candidates must possess high general scientific qualifications and experi- 
ence in engineering, and a knowledge of coal mining will be a recommenda- 
tion. The holder of the appointment will be required to advise the Board 
on questions of research in regard to the safety problems of coal-mining, to 
prepare programmes of research, to organise and superintend research work, 
and generally to co-ordinate the scientific work of the Board. It will also 
be his duty to prepare a scheme for the centralisation of the research work 
of the Board in a permanent Station. 
Applications, which should be addressed to the UNDER SECRETARY FOR 
Mines, Mines Department, Dean Stanley Street, London, S.W.1, should 
reach that address not later than April 30, 1923. 
March 13, 1923. 

BRIGHTON SUMMER SCHOOL, 1923. 
Director—Prof. T. H. Pear, M.A., B.Sc. 
In the Municipal Training College, on the Front, from 
July 30 to August 11 inclusive. 
Courses in General Psychology, Experimental Psychology, History of 
Education (suitable for Diploma students), etc. 
Hostel accommodation for men and women at College Hostels on the 
Front. 
Further information from Honorary SECRETARY, 8 Eastern Terrace, 
Brighton. 
TUITION BY CORRESPONDENCE 
Rapid preparation by highly qualified tutors for 
MATRICULATION, 
Intermediate and Final B.A. and B.Sc., 
OXFORD AND CAMBRIDGE LOCALS, 
Single subjects may be taken :—Latin, Greek, Hebrew, French, 
Mathematics, Chemistry, Logic, etc. For terms address— 
Mr. J. CHARLESTON, B.A. (Hons. Oxon, & Lond.), 
14 Elsham Road, Kensington, W.14. 


TO LET—for July and August—Plas Gwyn, — 
Bangor, overlooking Snowdon and Straits, large garden (tennis, poultry 
kept). Prof. Bryan. 
PHI LOSOPHICAL MAGAZINE —For Sale 
eleven years, comp'ete 1904 to 1914 inclusive, unbound. What offers 
J. Wi_pMAN, 16 Shadwell Road, Portsmouth. 


FOR SALE—NATURE, Dec. 1919 to date. 
Unbound. £3. WILLIS, 37 Woodville Road, Golders Green, N.W.11. 

ACCURATE CHEMICAL THERMOMETERS.— 
110° C., 150° C., 250° F., 300° F., 25.3; 200° C., 25. 6a. ; 360° C., 400° F. 
3s.; 500° C., gasfilled, special glass, ros. Beckmann Thermometers 
with Auxiliary Scale, y45° C., 225. 6d. each. CuEBLD, Chesham, 


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