clxxxvi 
NATURE 
[June 16, 1923 

APPOINTMENTS BOARD OF THE IMPERIAL COLLECE OF 
SCIENCE AND TECHNOLOCY, 
SOUTH KENSINGTON, S.W.7. 
EMPLOYERS requiring men who have received a thorough training in 
Science and Technology, and who are Diplomates or Associates of the 
Imperial College, or of one of its three constituent Colleges, are asked to 
make use of the services of the Board. No fees. 
The Imperial College includes The Royal College of Science, The Royal 
School of Mines, and The City and Guilds (Engineering) College. The 
Associates of the Colleges receive thorough training in Science and Tech- 
nology, including Aeronautics, Applied Optics and Optical Engineering, 
Biology, Chemical Technology, Chemistry (all branches), Engineering (all 
branches, including Metallurgy, Mining, Mining Geology and Oil Tech- 
nology), Geology, Mathematics and Mechanics, and Physics. 

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. 

APPLICATIONS are invited by the Salters’ 
Institute of Industrial Chemistry, Salters’ Hall, St. Swithin’s Lane, 
E.C.4, for a limited number of Fellowships for Post Graduates in 
Chemistry who are desirous of adopting an industrial career. The 
Fellowships are of the annual value of £250 to £300 and fall vacant 
in October next. Applications, with full particulars of training and 
experience, must reach the CLERK oF THE SALTERS' Company before 
July x. 
TO SCIENTISTS AND RESEARCH STUDENTS. 
THE INTERNATIONAL BIBLIOGRAPHICAL SERVICE BUREAU, 
employed by British Government Departments, University Professors, etc., 
supplies complete Continental and American bibliographies on any scientific, 
literary, or medical subject. Chemical work a speciality. Extracts made. 
Headquarters: Vienna. Eee representative : ‘“ALEXANDRIAN,” 1A 
Longridge Road, Earl's Court, S.W.s5. 


TECHNICAL INFORMATION from 
World-wide Sources. Write to us if you require Information or 
Research of any kind. We have a large staff of Experts, and Unique 
Facilities for procuring information. Bibliographies, Abstracts from 
Foreign Periodicals, Mathematical Work; Translations from all 
Janguages, Technical Typing. Department A, THE Lonpon ReE- 
SEARCH AND INFORMATION BureEAv, 5 Tavistock Square, W.C.1. 
Museum 7686. 

DEPARTMENT OF SCIENTIFIC AND 
INDUSTRIAL RESEARCH. 
GEOLOGICAL SURVEY OF GREAT BRITAIN. 
The Department of Scientific and Industrial Research are about to 
nominate candidates for not more than three vacancies for GEOLOGISTS 
on the Geological Survey of Great Britain. 
Salary—£300 per annum fixed (inclusive) for the first two years ; on con- 
firmation of appointment, £250-420-£450 (plus Civil Service bonus). The 
posts are pensionable under the normal Civil Service regulations, and there 
are prospects of promotion to higher posts. 
Candidates must have attained the age of 21, but must not have attained 
the age of 30 on April 1, 1923. Preference will be given to candidates who 
have served with H.M. Forces in the Great War. Candidates will be 
expected to have had a sound general training in Geology equivalent to 
that required for a University Honours degree ; experience of post-graduate 
work in Geology and knowledge of French or German, or both, will be 
regarded as important qualifications, 
Further particulars and application forms may be obtained from the 
Director, Geological Survey and Museum, 28 Jermyn Street, S.W-1, to 
whom application forms should be returned, together with copies of testi- 
monials, not later than July 7, 1923. 

UNIVERSITY OF DURHAM. 
ARMSTRONG COLLEGE, NEWCASTLE-UPON-TYNE. 
LECTURER IN CIVIL ENGINEERING. 
The Council of Armstrong College invite applications for a LECTURE- 
SHIP in CIVIL ENGINEERING. Candidates must be qualified to 
teach Surveying and have practical experience and a University degree. 
Salary £350 to £400 per annum according to qualifications. Duties 
commence October 1, 1923. Ten copies of applications and of not more 
than three testimonials should reach the undersigned not later than july 7, 
1923. 
_ J. ¥. T. GREIG, 
Registrar, Armstrong College. 

EAST LONDON COLLEGE 
(UNIVERSITY OF LONDON), 
Principal—J. L. S. HATTON, M.A. 
PASS AND HONOURS COURSES IN THE 
@ FACULTIES OF ARTS, 
SCIENCE AND ENGINEERING. 
FIRST YEAR MEDICAL COURSE. 
POST GRADUATE AND RESEARCH WORK. 
Composition Fee, £22: 2s. per annum. 
EVENING COURSES, M.A. FRENCH, M.A, & M.Se. 
MATHEMATICS. 
RESEARCH WORK IN EXPERIMENTAL SUBJECTS. 
Prospectus, post free. E. J. WIGNALL, Registrar. 

Department of Scientific and Industrial Research. 
A JUNIOR ASSISTANT METALLURCICAL CHEMIST 
AND METALLURGIST 
is required for the Department of Metallurgy and Metallurgical Chemistry 
or" NATIONAL PHYSICAL LABORATORY. 
Candidates should have a good Honours Degree in Chemistry or Metal- 
lurgy—preferably with experience in research work. Scale of salary, £175- 
415-4235 per annum, plus usual Civil Service bonus; present initial pay, 
278 2 195. 
Spee nieesion provision will be made under the Federated Super- 
annuation System for Universities, under which a contribution of approxi- 
mately 1o per cent. of salary is paid by the Department, and 5 per cent. is 
paid by the officer. Preference will be given, other things being equal, to 
ex-service men. 
Application, giving particulars of age, qualifications, experience, military 
service, etc., and enclosing copies of testimonials or names of- referees, 
should be made in writing not later than Monday, June 25, to THE 
Director, National Physical Laboratory, Teddington, Middlesex. 

UNIVERSITY COLLEGE OF SOUTH 
WALES AND MONMOUTHSHIRE. 
COLEG PRIFATHROFAOL DEHEUDIR CYMRU A MYNWY. 
The Council of the College invites applications for the postof ASSISTANT 
LECTURER in the Departments for the Training of Men Teachers for 
Elementary and Secondary Schools. 
The Salary will be £300 per annum. c 
Further particulars may be obtained from the undersigned, by whom 
three copies of applications with testimonials (which need not be printed) 
must be received on or before July 2, 1923. 
D. J. A. BROWN, Registrar, 
University College, 
Cardiff, June 5, 1923. 

UNIVERSITY COLLEGE OF SOUTH 
WALES AND MONMOUTHSHIRE. 
COLEG PRIFATHROFAOL DEHEUDIR CYMRU A MYNWY. 
Applications are invited for the appointment of an ASSISTANT 
LECTURER and DEMONSTRATOR IN CHEMISTRY. ct 
Salary £300 per annum. The appointment will date from October 1, 1923. 
Further particulars may be obtained from the undersigned, by whom 
three copies of application and testimonials must be received on or before 
8, : 
oe D. J. A. BROWN, Registrar. 
University College, 
Cathays Park, Cardiff. 

UNIVERSITY COLLEGE OF SOUTH 
WALES AND MONMOUTHSHIRE. 
COLEG PRIFATHROFAOL DEHEUDIR CYMRU A MYNWY, 
The Council of the College invites applications for the post of ASSISTANT 
LECTURER and DEMONSTRATOR in PHYSICS. 
The Salary will be £300 per annum. ’ 
Further particulars may be obtained from the undersigned by whom three 
copies of applications with testimonials (which need not be printed) must be 
ived before July 2, 1923. iS 
eee ee on D. J. A. BROWN, Registrar. 
University College, 
Cardiff, June 7, 1923. 
