CXCIV 
CITY AND COUNTY BOROUGH 
-OF BELFAST. 
The LIBRARY and TECHNICAL INSTRUCTION COMMITTEE 
invite APPLICATIONS for the position of TEMPORARY LECTURER 
and DEMONSTRATOR in CHEMISTRY in the MUNICIPAL 
TECHNICAL INSTITUTE, BELFAST. 
Salary, £160 per annum. 
The appointment is for the duration of the war. 2 
Applications will be received from women as well as from men, but in the 
case of men applications will only be considered from those ineligible for 
military service. ‘ 
Particulars of the duties and conditions of appointment, together with 
form of application, may be obtained from the undersigned, with whom 
applications, on the special form provided for the purpose, must be lodged 
not later than noon on WEDNESDAY, March 7, r91t7. - E 
Applications should be accompanied by copies of three recent testimonials 
(original testimonials must not be sent). 
Canvassing is strictly forbidden and will disqualify. 
THE PRINCIPAL. 
Municipal Technical Institute, 
Belfast. 
UNIVERSITY OF LONDON WAR LIST. 
The VICE-CHANCELLOR of the UNIVERSITY OF LONDON 
WILL BE GLAD to RECEIVE the FOLLOWING INFORMATION 
WITH REGARD TO MEMBERS OF THE UNIVERSITY WHO 
HAVE SERVED or ARE SERVING in HIS MAJESTY'S FORCES :— 
NAME (Christian names in full), COLLEGE and UNIVERSITY 
CAREER, RANK and REGIMENT or OTHER UNIT, particulars 
of service (including War Distinctions, and whether wounded, retired, or 
fallen), with DATES. Address’replies to University of London War List, 
South Kensington, London, S.W. : 
NOBEL’S EXPLOSIVES COMPANY, LIMITED, 
ARDEER FACTORY, STEVENSTON. 
There are at present several vacancies on the Staff of the above Factory 
for men suitable for training for the control of manufacture. 
Applicants, who must be qualified Chemists, preferably possessing a 
University degree or its equivalent, should submit full details of their 
training and experience to 
THE MANAGER—RESEARCH SECTION, 
Ardeer Factory, Stevenston. 
ASSISTANT CHEMIST (TEMPORARY). 
WANTED, immediately, QUALIFIED ANALYTICAL CHEMIST 
(ineligible for military service) in the Laboratory of the Manchester 
Corporation Sewage Works, Davyhulme, Urmston. Applications, 
Stating age, qualifications, experience, and salary required, to be ad- 
pee to the Chairman of the Rivers Committee, Town Hall, Man- 
chester. 
CHEMISTS (WOMEN), Junior and Senior, 
required immediately for Government Factory. Must have had a Uni- 
versity training, and Senior Chemists some res-arch experience. No 
one on Government work need apply. Write or apply your: nearest 
Employment Exchange, mentioning this paper and No. A2063. 
ZEISS PHOTOMICROCRAPHIC APPARATUS for use with 
ULTRA VIOLET LIGHT, with lenses, complete condensing system, 
oculars, electrical equipment, and all accessories In new condition. 
4170.—C, BAKER, 244 High Holborn, London. 
Translations of Optical and Chemical Text-books, &c., 
from French and German, undertaken by writer (on these subjects) 
with editorial experience.—Box No. 228, Nature Office. 
BOOKBINDING. 
Scientific Journals and Books of every description bound in 
cloth or leather for libraries or private individuals. 
Quickness of delivery and efficient workmanship guaranteed. 
‘ee volumes or numbers supplied to complete customers’ 
JOHN WHELDON & CO. (Bookbinding Dept.), 
38 Great Queen Street, Kingsway, London, W.C, 
Telephone: Gerrard 1412. 
NATURE 
SECOND-HAND 
MICROSCOPES, TELESCOPES, SURVEYING AND DRAWING 
INSTRUMENTS, AND OTHER SCIENTIFIC APPARATUS AND 
ACCESSORIES BY ALL THE BEST MAKERS. 
338 HicH HOLBORN, CLARKSON’S 
(Opposite Gray's Inn Road.) 
[FEBRUARY 22, 1917 
BIRKBECK COLLEGE, 
BREAMS BUILDINGS, CHANCERY LANE, E.C. 
COURSES OF STUDY (Day and@Evening) for Degrees of the 
UNIVERSITY OF LONDON in the 
FACULTIES OF SCIENCE & ARTS 
(PASS AND HONOURS) 
Under RECOGNISED TEACHERS of the University. 
SCIENCE.—Chemistry, Physics, Mathematies (Pure and 
Applied), Botany, Zoology, Geology. 
ARTS.—Latin, Greek, English, Freneh, German, Italian, 
History, Geography, Logie, Economies, Mathematies (Pure 
and Applied). 
Evening Courses for the Degrees in Bconomics and Laws. 
POST-GRADUATE AND RESEARCH WORK. 
Day: Science, £17 10s,; Arts, £10 10s. 
SESSIONAL FEES (Roane Science, Arts, or Economics, £5 5s. 
Prospectus post free, Calendar 3d. (by post sd.), from the Secretary. 
SOUTH-WESTERN POLYTECHNIC 
INSTITUTE, CHELSEA. 
Day and Evening Courses in the Faculty of Science and 
Engineering. 
Technical Chemical Courses. 
Pharmacy and Dispensing Courses. 
Particulars may be obtained on application to the Secretary 
(Room 44). SIDNEY SKINNER, M.A., Principal. 
Telephone: Western 80a. 
FRARE BOOKS.—Buller’s Birds of New Zealand, fine coloured plates, 
2vols., folio, £9 gs.; Anderson, Anatomical and Zoological Researches, 
Yunnan Expeditions, 2 vols., 1878, £3 3s.; Newton's Dictionary of Birds, 
10s. 6d., pub. 30s.; Hewitson's Eggs of British Birds, 2 vols., 1846, £3 35-5 
another copy, 1856, 44 4s.; Pettigrew, Design in Nature, 3 vols., 1908, 
18s. 6d. ; Cox's Sanctuaries and Sanctuary Seekers of Medieval England, 
6s. 6d. ; Sex Mythology, including an account of the Masculine Cross; 6s. ; 
Morris, Natural History of Moths, 1894, 4 vols., £2; Morris, British Birds, 
6 vols., £3 10s., 860; Galton, Memories of My Life, 4s. 6@. ; Galton's Record 
of Family Faculties, 1884, 35s.; Galton’s Inquiries into Human Faculty, 1883, ~ 
358. ; Galton’s Hereditary Genius, 1892, 28s. ; Fox-Davies’ Book of Public 
Arms, last edit., 35s.; Cust's Life Benvenuto. Cellini, 2 vols., 12s. 6d. ; 
Marriage Ceremonies and Priap'c Rites, 1909, 25s.; Scherren's Zoological 
Socy. of London, coloured plates, ros. ; Flower, History of the Trade in Tin, 
1880, 25s.; American Homes, illus., 6s.; Proc. Inst Civil Engineers, 165 
vols., cloth, rare set, £17 17s.; Proc. Inst. Mechanical Engineers, 1874 to 
1914, rare set, £14 148.; Bradley, Foxhound of the zoth Century, ros. 62.; 
osset’s Shepherds of Britain, Scenes from Shepherd Life, 3s. 6a@.; Poincaré, 
How France is Governed, 2s. 6d.; Jessop’s English Peasantry, 3s. ; 
Maspero’s Egypt's Ancient Sites and Modern Scenes, 5s.; Maspero’s 
Egyptian Art, 6s. 64. Collections of Valuable Books purchased. Rare and 
Out-of-Print Books supplied. State Wants.—BaKker's GREAT BooKsHops, 
14 and 16 John Bright Street, Birmingham. 
An acceptable present for a Scientific 
man would be some of the Steel and 
Photogravure portraits contained in 
the series of 
“Scientific Worthies” 
a list of which will be sent to 
any address by the publishers upon 
application. t 
Nature Office: St. Martin’s Street, W.C. 
LONDON, W.C. 
