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CITY OF LONDON COLLEGE,
FACULTY OF SCIENCE.
DAY AND EVENING COURSES.
S J. E. MACKENZIE, Ph.D., D.Sa tory of England and Wales The Rev. T. A. Walker, Litt.D.,
(H. WREN, Ph.D., BA, B.SC LL.D., M.A.
(ALBERT GRIFFITHS. D.Sc.
D. OWEN, B.A., B.Sc.
B. W. CLACK, B.Sc.
E. H. SMART, M.A.
W.G. BIRT, B.A, B.Sc
A. B. RENDLE, M.A., D.Sc. Welsh The Rev. Robert Williams, M.A.
F. E. FRITSCH, Ph.D., B.Sc French Professor E. WEEKLEY, M.A.
H. W. UNTHANK, B.A., B.Sc German *T. BAILEY SAUNDERS. M.A.
Geology & Mineralogy Geo. F. HARRIS, F.G.S. Dynamics
W.C. D. WHETHAM, M.A., F.R.S. Assaying, Metallurgy & Mining, Geo. PATCHIN, A.R.S.M. Experimental Mechanics and w. C. D. WHETHAM, M.A., F.R.S. RESEARCH in Chemistry and Physics in well-equipped laboratories
/*F. D. CHATTAWAY, M.A., D.Sc., French, German, Spanish, Russian, Dutch, & Italian Classes.
EVENING CLASSES also in Biology, Physiology, Practical Geomeary
Building and Machine Construction, Steam, Tbeoretical and App The Examiners whose names are marked with an * have served for the
Mechanics, Land and Quantity Surveying, and Estimating. full period of five years.
Calendar 6d. (post free 8d.), on application to the SECRETARY.
Registrar of the University.
, EAST LONDON TECHNICAL
(Near Moorgato and Liverpool Street Stations.) COLLEGE,
PRINCIPAL: SIDNEY HUMPHRIES, B.A., LL.B. (Cantab; MILE END ROAD, E.
EVENING CLASSES in ALL BRANCHES of SCIENCE TEACHING STAFF.
Well-equipped LABORATORIES for Practical Work S J. L. S. HATTON, M.A., and Mathematics W. F. S. CHURCHILL, M.A.
CHEMISTRY, BIOLOGY, BOTANY, GEOLOGY, 181 Chemistry
J. T. Hewitt, D.Sc., and
all branches of PHYSICS.
Special Courses for London University Matric., Inter., and Final BA.
B.Sc., Conjoint Board, Pharmaceutical and other examinations. Ces SR. A. LEHFELDT, D.Sc., and Physics 1 W. H. WHITE, B.A., B.Sc.
are also held in all Commercial Subjects, in Languages, Literature antaa Botany V. H. BLACKMAN, M.A.
All Classes are open to both sexes. The DAY CLASSES for students over 16 years of age include full three
SATURDAY COURSES for Matric., Inter., and Final B.A., B.Sc years' technical courses in Chemistry and Engineering, and three years'
DAY COMMERCIAL SCHOOL. courses for London University Degrees (Pass and Honours).
Prospectuses, and all other information, gratis on application. EVENING CLASSES are held in Advanced Technical and Scientific
DAVID SAVAGE, Secretary. subjects, and for London University Degrees.
Valuable SCHOLARSHIPS are awarded by the Drapers' Company in connection with the Day Classes. CALENDAR with full particulars post free, 44d.
THE LONDON SCHOOL OF TROPICAL J. L. S. HATTON, Director of Studies.
Manresa Road, Chelsea, S.W., Day College Courses of thirty hours
The next SESSION commences on MONDAY, JANUARY 16, t
For Prospectus, Syllabus, and other particulars, apply to tbe Secret
P. MICHELLI, Esq., Seamen's Hospital, Greenwich, S.E.
FOR SCIENCE AND OTHER STUDENTS.
Correspondence Tuition by highly qualified fraicare
Oxford, Cambridge, Landor Further particulars may be obtained on application to the SECRETARY, Royal Universities, in Algebra, Trigonometry, Theoretical Mechanics, Inés who will send either the Day College Prospectus and Calendar or the ential and Integral Calculus, Pure Geometry, Geometrical Drawing Evening Class Prospectus for 3d. The Prospectus may be had at Departments are at work preparing for London and Royal Cairert the Office for id.
Examinations, Science and Art, Civil Service Examinations, and at A
pondence College, 8 Crescent Grove, Clapham, S.W.
A Gentleman engaged in Pure and Applied
Research would be glad to hear of a commercial laboratory ** equipped electrically, with a good mechanic, glass blower and where where he could pursue his experiments with expedition. -87)
"1833,"clo Nature. ALBEMARLE STREET, PICCADILLY, W.
Wanted in a Provincial Town South of -ENRY CUNYNGHAME, Esq., C.B., M.A., M. Inst. E. E., will on
Ireland, a Practical SCIENCE MASTER, B.Sc. Liberal salat JESDAY next, December 27, at Three o'clock, begin a Course of Six
a suitable Master, capable of helping at the Higber Matbematis In sectures (adapted to a Juvenile Auditory) on " ANCIENT AND MODERN METHODS or MEASURING TIME" (Experimentally Illustrated).
languages, English, French and Latin.-" Box 1834," ClO NAT 11
For other Scholastic Advertisements, see page lxxvi.
ROYAL INSTITUTION OF
Illustrated Booklet post free.
THE YOST TYPEWRITER CO., Lo.,
HEAD OFFICE: 50, HOLBORN VIADUCT, LONDON, E.C. Branches in all large towns.
EXCELLENT Photographs in Colour are obtained with our smaller lens filter Outfits, complete from 25/-; but for general work, Landscapes in changing light, Portraiture or Photomicrography where rapid exposures in succession are necessary, the Repeating Back with Colour Filters is recommended as the best all round appliance.
It may be attached to any or whole-plate camera or glass plate Kodak, by means of a panel cut to correspond and interchangeable with the ordinary dark slide. This does not in any way interfere with the use of the camera for ordinary work. The three Colour Filters are held in a frame, clipped in front of the double dark slide which carries the two plates, each large enough to record the three negatives side by side, when the slide is pushed past the opening in the outer case. With this Outfit, even a beginner will secure three-colour negatives with the ease and certainty of an ordinary photograph. Repeating Back Attachments, with Filters complete, from 90/Send for New Booklets, post free to readers of “Nature,"
or call and see results obtained by amateurs.
SANGER-SHEPHERD & CO., 5, 6, 7 Gray's Inn Passage, Red Lion St., Holborn, London. LONDON SCHOOL OF TROPICAL
MEDICINE, ROYAL ALBERT DOCK, LONDON, E. PROTOZOOLOGY.—The School is about to establish a special depart. ment for the study and teaching of this subject, and invites applicaiions from gentlemen willing to serve as Teachers and to occupy themselves in research work. Candidates holding medical qualifications will be preferred.
The appointment will be for six years, and the pay will commence at £250, rising by yearly increments of £50 to £500 per annum. Luncheon and tea will be provided.
The Protozoologist will be expected to devote his whole time to the service of the School, and to be prepared to teach for one hour per diem in the aggregate if required.
Applications, stating age, together with copies of not more than three recent testimonials, to be sent in on or before January 2, 1905, to the undersigned, from whom further particulars may be obtained.
By order, December 14, 1904.
P. MICHELLI, Secretary.
THE GROCERS' COMPANY'S
SCHOLARSHIPS. For the purpose of encouraging original research in Sanitary Science, the Grocers' Company offer Two Scholarships, each of $300 a year, with a allowance to meet the cost of apparatus and materials and for genera expenses in connection with the work, tenable for two years, subject to the conditions of the scheme under which they are established.
Applications must be sent in before April 1 to the CLERK OF 72 GROCERS' COMPANY, Grocers' Hall, London, E.C., from whom the necessary forms and further information may be obtained.
COMMITTEE. TEACHER required to conduct Classes in Steam and Appast Mechanics on Thursday evenings, and to assist in Machine Constructie Class on Wednesday evenings, from January to May, 1905. For furthe particulars apply to V. C. EGERTON, Secretary, The Acion and Chisna Polytechnic, Bath Road, Bedford Park, W.
NEW ZEALAND. APPLICATIONS (to be delivered at the Agent-General's Ofice 2 later than January 24, 1905) are invited for the APPOINTMENT PROFESSÓR of PHYSIOLOGY at the University of Otago Az limit, 25 to 40 years of age. Salary, £605, with half of the class lees
For further particulars and for the forms on which the application mes be made apply to the AGENT-GENERAL FOR New ZEALAND, Na in Victoria Street, London, S.W.
LONDON SCHOOL OF TROPICAL
MEDICINE, ROYAL ALBERT DOCK, LONDON, E. HELMINTHOLOGY.-The School is about to establish a special department for the study and teaching of this subject, and invites appli. cations from gentlemen willing to serve as Teachers and to occupy them. selves in research work. Candidates holding medical qualifications will be preferred.
The appointment will be for six years, and the pay will commence at 6250, rising by yearly increments of £50 10 6500 per annum. Luncheon and tea will be provided.
The Helminthologist will be expected to devote his whole time to the service of the School, and to be prepared to teach for one hour per diem in the aggregate is required.
Applications, stating age, together with copies of not more than three testimonials, to be sent in on or before January 2, 1905, to the undersigned, from whom further particulars may be obtained.
By order, December 14, 1904.
P. MICHELLI, Secretary.
QUEEN'S COLLEGE, GALWAY. A LECTURER in ELECTRICAL ENGINEERING is required early in ļanuary, 1905. Salary, £125, with Class Fees. Applications, via testimonials, should be sent to the REGISTRAR on or before December 31 SCIENCE AND MATHEMATICAL
MASTERSHIPS VACANT. Science Public College, L.200; North England. Chemistry and Physics, 6175: Mathematics and Chemistry,
Ireland, 6150. Chemistry, £120. Mathematical, £180. A list of Masterships, England, Continent, and Over Sea, sent to 2 Candidates. ORELLANA & Co.,
Established over 40 years, 80 Wigmore Street, Cavendish Square, London, w.
(late 44 Old Bond Street).
THE VICTORIA UNIVERSITY OF
MANCHESTER The Council desires to proceed to the APPOINTMENT of a PROFESSOR of ENGINEERING.
The Professor will be responsible for the organisation of the Engineering Department, and will bave the direction of the Engineering Laboratory.
He may take a consulting practice under specified conditions.
His stipend will be composed of a fixed salary and a share of the fees, and the Council guarantee that the total income will not be less than £1000 per annum during the first three years.
A detailed statement of the conditions of appointment may be obtained from the REGISTRAR.
Applications, with references and such testimonials (not exceeding three in number) as the candidate may desire, should be sent on or before February 15 to the REGISTRAR.
SCIENCE AND MATHEMATICAL MASTERS. Messrs. NEEDES & SELLICKS,
(Medical and SCHOLASTIC Agency, Estab. 1860). Clock House, Arundel Street, Strand, W.C.
Applications are invited for the following appts. :-(1) Public Scb , Sat. Sc. and Drawg., £150+fees; valuable post to good man. (2) Chem. as! Physics-little English. Gaines preferred. £120, res. (3) Chem - Mag. netism and Electricity. £100, res. (4) Wrangler, Public School. Antc, res (5) County School, Maths. £110, non-res. Many January Appointmesi
For other Scholastic Advertisements, see page lxxiv.
CHELSEA. Through the resignation of Mr. L. D. Coueslant, B.Sc., who has been appointed Head of the Civil and Mechanical Engineering Department at the Technical College, Sunderland, the Governing Body are prepared to 1eceive applications for the post of LECTURER in MECHANICAL ENGINEERING
Mr. Coueslant was a Recognised Lecturer under the University of London.
Salary of £150 per annum.
Application Forms may be obtained from the SECRETARY, and these should be sent in by Thursday, January 12, 1905.
Principal ... William GANNON, M. A. The Governors invite applications for the post of LECTURER and DEMONSTRATOR in ENGINEERING. Commencing salary, £150 per annum. Particulars of the post may be obtained from the Principal on receipt of a stamped addressed foolscap, envelope. All applications, to be made on special forms, must be lodged with the Principal before December 31, 1994.
A. J. NAYLOR, December 14, 1994.
Clerk to the Governors.
FOR SALE, at Reduced Prices. .
CITY AND GUILDS CENTRAL
TECHNICAL COLLEGE. WANTED, an ASSISTANT competent to give instruction in the theory, and practice of the construction, and use of Optical Apparatus. Salary commencing at £100 per annum.
Apply in the first instance by letter, stating age and details of experience, 10 Prof. AYRTON, City and Guilds Central Technical College, Exhibition Road, London, S.W.
MICROSCOPIC SLIDES (dispersal of Mr. Hornell's collection set Micro. Editor's note, June No. of Knowledge, Sections of Flower ER &c., also Marine, suitable for Students and Exhibition, new, prices tos 34. each.
MICROSCOPE, Baker's D.P.H. and fittings, £7 168 ; Beck's Loc' and fittings, 66 ns.; many others, Pillisher, Ross, &c. Several Oto, even Bull's-Eye Condensers. Abbe Condensers. Eyepieces by Leitz, &c. Ger PRISMATIC BINOCULARS. Photographic Lenses. SU'RGEOX OPERATION Outfit, very fine, new, for sale, cheap. Collective, Shells. Many other useful articles. Send for lists. Mr. HERBERT CLARKE, 104 LEADENHALL STREET, LONDON.
SODEAU'S GAS ANALYSIS APPARATUS.
Rapid-Easy of Manipulation-Accurate
-and Clean in Use.
This apparatus, which is fully described in the Journal of the Society of Chemical Industry, February 28, 1903, p. 187, has been carefully designed by the inventor for the rapid and accurate performance of general and technical gas analysis. It will be found to have decided advantages over other apparatus, as fully set out in our descriptive circular, which will be sent on application.
Water Jacket, containing Measuring Tube with Certificate, Levelling Tube, and new pattern Correction Tube on “Kew principle." Illuminating Lamp, Magnifying Lens, the whole mounted on Mahogany Stand and with stout walled tubing, but without Mercury, Induction Coil, or Pipettes £8 8 0 Absorption Pipettes mounted on Polished Mahog
each 0 3 Explosion Pipette
1 4 0 Phosphorus Pipette...
0 0 6 Rack, Mahogany, to hold 4 of the above Pipettes, when not in use, in a sloping position
0 15 0 Tubes for sealing up gas samples
each 0 1 0
SOLE MAKERSBRADY & MARTIN, LTD., Scientific Apparatus Makers, NEWCASTLE-UPON-TYNE.
W.G. PYE & CO.
AN IDEAL UNIVERSAL STAND
FOR PHYSICAL LABORATORIES. Massive base with stout steel column carrying a torsion head, which can be used vertically or horizontally. Fitted with 3 split-chucks and hollow spindle for holding various sized wires of any desired lengths for inertia bars, pendulums, &c. Plain block with cross holes for holding extra bars, where several suspensions are required. Price
£3 10 O The cut shows a few of the many uses to which this stand can be put, viz., Total Reflexion Experiments, Ballistic Balance with electro-magnetic release and scale clip, Searle's apparatus for determining Young's Modulus and Rigidity of a Straight Wire. Price Lists and Pamphlets of other Apparatus
EDITED BY S. F. HARMER, Sc.D., F.R.S., AND A. E. SHIPLEY, M.A., F.R.S.
VOLUME VII. FISHES, &c.
ASCIDIANS AND AMPHIOXUS. By W. A. HERDMAN, D.Sc., F.R.S.
F.R.S., LL.D., D.C.L.,
By CHARLES J. CORNISH, M.A., F.Z.S. With Photogravure Portraits. 8vo. 88. 6d. net THE NATION (U.S.A.).—"For details of the life we must refer to the volume. . . Flower was a man of noble presence, striking manly beauty, and of a most kindly and unaffected nature, His marriage proved ideal in its results. . . . He was a self-sacrificing worker, a miracle of persistent, steady devotion to the profession he had at heart. : : . He was . . . the first man in Great Britain to elevate the keeping of a museum into one of the higher professions; was one of the first in the world to introduce modern ideas into the administration of museums, and the originator of many most important advances. . . . He was an excellent comparative anatomist, a specialist in the first rank of students of the Cetacea ... a lover of poetry, of outdoor life, of children, and animals. Not a genius, he was lamented more than any scientist of his generation, in his own country, and by those of other lands who had had the privilege of his friendship, and knew his worth in spite of his modesty. ... It was well that a memoir should be written to keep him and his work in remembrance.”
MUSEUMS JOURNAL.—"That which will most strongly interest readers of the memoir, and all who have personal recollection of Sir Wiliam Flower, is the character of the man. , .. No one can read the simple and beautiful chapter (at the conclusion of the memoir) in which Lady Flower writes of the end of that noble and unselfish life without emotion."
REVIEW OF REVIEWS.—“It is a well-told record, not too long, of 67 years of active life. Quite apart from the interest of the book as the study of the eminent Zoologist, there is the light thrown on several interesting personalities–DEAN STANLEY, of whom there is a charming description, HUXLEY, QUEEN VICTORIA, and others."
CAMBRIDGE REVIEW.-“Sir William Flower made our Natural History Museum the model on which all modern museums are founded."
NEW VOLUME BY HENRY SIDGWICK. MISCELLANEOUS ESSAYS AND ADDRESSES. 8vo. Ios. net.
By H. S. HALL, M.A., and F. H. STEVENS, M.A. AN ELEMENTARY COURSE OF MATHEMATICS, comprising Arithmetie,
ALGEBRA, AND GEOMETRY. Globe 8vo.
AN INTRODUCTION TO THE CALCULUS. Based on Graphical Methods. By
GEORGE A. GIBSON, M.A., F.R.S.E., Professor of Mathematics in the Glasgow and West of Scotland Technical
NEW EDITION REVISED IN ACCORDANCE WITH THE FOURTH GERMAN EDITION. THEORETICAL CHEMISTRY FROM THE STANDPOINT OF AVOGADRO'S
RULE AND THERMODYNAMICS. By PROF. WALTER NERNST, Ph.D., of the University of Göttingen. 8vo. 155. net.
MACMILLAN AND CO., LIMITED, LONDON.
(BY APPOINTMENT TO THE ROYAL INSTITUTION
OF GREAT BRITAIN.)
Makers of the new Apparatus illustrating Wave Motion,
designed and used by Dr. J. A. FLEMING in the Christmas Lectures at the Royal Institution.
READING MICROSCOPES, RESISTANCE COILS, &c. 56 CHARING CROSS ROAD, LONDON, W.C.
I SPECIAL TERMS TO COLLEGES, SCHOOLS, INSTITUTES, &c.