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A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE
“ To the solid ground
No. 1831, VOL. 71]
[PRICE 15 CENTS.
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Registered as a Newspaper at the General Post Office.)
NEW LANTERN SLIDES.
DETAILED LIST ON APPLICATION. Russo-Japanese War.
Tissot's New Series of old Trans-Siberian Railway.
Testament Pictures. Up-to-Date Pictures of Cur- Tennyson's Heroines. rent Events.
Caldecott's Nursery Tales. The Balkans and the Eastern “Black Beauty." Question.
British Birds and Beasts. The Bayeux Tapestry:
Natural History. Life of Christopher Columbus. Trees and Plants. Austria and the Tyrol.
Rock Formation. A Snapshot Ramble among Radium Atoms and Spectra. the Alps.
Photographs of Sand Figures Scenes in Many Lands.
on Chaldni's Plate. St. Ives, Cornwall.
The Embryology of a Chicken. London and London Life. How the Coin of the Realm Among the London Poor.
is made. Pilgrim's Progress (R.T.S.). The Fall of a Water Drop. Life & Times of Martin Luther. Radiographs showing 'Bone Scripture-Old Testament. Diseases. Scripture-New Testament. The Starry Heavens. Tico Gold Medals hare been awarded to Messrs. Neuton & Co.
for Lanterns and slides. NEWTON & Opticians to H.M. The King and H.R.H. The Prince
VERLAG VON CUSTAV FISCHER IN JENA. Wissenschaftliche Ergebnisse der Deutschen TiefseeExpedition
auf dem Dampfer " Valdivia " 1898-1899.
Im Auftrage des Reichsamies des Innern heraus. gegeben von CARL CHUN, Professor der Zoologie in Leipzig, Leiter der Expedition.
Soeben ERSCHIENEN :
UEBERSICHT DER AUF DER DEUTSCHEN
Tafeln. Preis für Abnehmer des ganzen Werkes : 4 Mark. Bruno Jurich, DIE STOMATOPODEN DER DEUTSCHEN
TIEFSEE-EXPEDITION. Mit 6 Tafeln. Preis: Joh. Thiele, DIE LEPTOSTRAKEN. Mit 4 Tafeln. Preis für
Abnehmer des ganzen Werkes : 8,50 Mark. Ferner erschien Band IV des Unternehmens mit dem Nebentitel: Hexactinellidae bearbeitet von Fr. E. SCHULZE, Professor in
Berlin. Mit einem Atlas von 52 Tafeln. Preis : 120 Mark.
Band VI des Unternehmens mit dem Nebentitel: Brachyura bearbeitet von Dr. FRANZ DOFLEIN, Privatdozent
an der Universität München, Il. Konservator der zoologischen Staatssammlung. Mit 58 Tafeln, einer Texttafel und 68 Figuren und Karten im Text. Preis: 120 Mark.
For weather and altitude readings, with very open scale from which direct readings can be taken to '2 inch and to 10 feet.
Size of the Aneroid
Prices from £2 2 0 to £2 7 6 For full description see our Electrical Catalogue, post free
on application to
Price Lists of Aneroids of various types, sizes and mountings, post free
JOHN J. GRIFFIN & SONS, Ltd., 38 HOLBORN VIADUCT, E.C.
SARDINIA ST., LONDON, W.C.
Branches -45 CORNHILL ; 122 REGENT STREET.
EAST LONDON TECHNICAL
ŞJ. L. S. HATTON, M.A., and
W. F. S. CHURCHILL, M.A. Chemistry
J. T. Hewitt, D.Sc., and
1 C. SMITH, D.Sc. Mechanical Engineering... D. A. Low, M.I.M.E. Electrical Engineering
J. T. MORRIS, A.M.LE.E.
JR. A. LEHFELDT. D.Sc., and Physics
W. H. WAITE, B.A., B.Sc. Botany
V. H. BLACKMAN, M.A. The DAY CLASSES for students over 16 years of age include full three years' technical courses in Chemistry and Engineering, and three years' courses for London University Degrees (Pass and Honours).
EVENING CLASSES are held in Advanced Technical and Scientific 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, 4d.
J. L. S. HATTON, Director of Studies.
HOLLOWAY, LONDON, N.
REG. S. CLAY, D.Sc., Principal.
SALOP COUNTY COUNCIL.
HIGHER EDUCATION. NOTICE IS HEREBY GIVEN that an EXAMINATION will be held in Shrewsbury early in January, 1905, to elect to an Exhibition for Science Subjects of the value of £50 per annum tenable for not more than three years, by Candidates who hold or bave held an open Scholarship or Exhibition at some University or College of University rank approved by the Salop Education Authority. The Exhibition is open to natives of Shropshire, and al:o to those who received their education within the County for the two years immediately preceding the time at wbich they joined the Institution in which they hold or have held their qualifying Scholarsbip. In awarding the Exhibition special regard will be bad to the need of qualifying Candidates for further pecuniary assistance. Entries, on forms to be obtained from the SECRETARY, Higher Education, Shireball, Shrewsbury, must be received by the undersigned not later than December 20, 1904.
W. H. PENDLEBURY, M.A.,
Secretary for Higher Education.
(UNIVERSITY OF LONDON.)
YORK PLACE, BAKER STREET, W.
The College provides instruction for Students preparing for the University of London Degrees in Arts, Science, and Preliminary Medicine, also instruction in subjects of General Education.
There is a Training Department for Teachers, a Hygiene Department, and an Art School.
Students can reside in the College.
Particulars on application to the PRINCIPAL.
(UNIVERSITY OF LONDON.)
YORK PLACE, BAKER STREET, W.
Applications should be made not later than December 13, 1904, to the
expenses of Scientific Investigations. Applications for the year 1905
Society, Burlington House, London, W.
January (1905) Vacancies. -Required (1) Graduate for
Especial Course of Instruction in THERAPEUTICS, PHARMA.
Mr. FREDERICK DAVIS, The Laboratories,
Council, Board of Education, S.W.),
Geo. F. GOODCHILD, Principal.
A Class for Teachers preparing for the London University Diploma for
The whole time of the person appointed shall be devoted to the service of the County Council, and he shall reside where directed by them.
Salary, £140 per annum, advancing by £10 a year to 6170, with Travel. ling Expenses,
Applications, accompanied by a statement of the system or systers candidates are qualified to teach, their previous teaching experience and ages, together with copies of their Diplomas and of not more than three recent testimonials, must reach the undersigned not later than December 7. 1904. Personal canvassing will be deemed a disqualification.
JOHN JAMES, M.A., Ph.D.,
Chief Education Official.
November 22, 1904.
MUNICIPAL TECHNICAL INSTITUTE.
DEMONSTRATOR in MECHANICAL ENGINEERING. Salary, £150 per annum
Canüidates must bave read the Circular giving particulars of the daties attached to the post, copies of which may be obtained by sending a fully addressed envelope to the PRINCIPAL, Municipal Technical Institute, West Ham, E.
All applications must be lodged with the PRINCIPAL before non, December 5, 1904.
By Order of the Council,
FRED, E. HILLEARY, Town Clerk
For other Scholastic Advertisements, see page xlv.
CREWKERNE SCHOOL, SOMERSET.
The Governing Body invite applications for the HEAD MASTERSHIP of the above mentioned Public Secondary School for Boys. The school will, by the scheme under which it will be regulated, be conducted as a Public Secondary School working in accordance with the regulations of the Hoard of Education with a view to receiving Grants from the Board of Fducation and the Somerset County Council. Salary, £200 per annum, together with an annual Capitation Fee of £2 per pupil (which are guarantee 1 for three years) and residence.
(MICROKAM-Regd.) Permission to receive Boarders at a charge of £25 exclusive of Tuition Fees (£61 and £2 for books, games, drill, and swimming bath.
A simple yet perfect Instru.
ment for Photographing Accommodation for 120 pupils, including 45 boarders. Applicants must be University Graduates and registered on Col. B. of
Objects under the Microthe Teacbers' Register, or hold equivalent qualifications.
scope. Rxperience in a large school essential.
No. 1.-Mahogany, 5s. The appointment to date from the close of the Easter Holidays, 1905.
No. 2.- Do., with Focussing Applications, with copies of not less than three recent testimonials, should
Screen and Double Dark be vent not later than December 13 to the undersigned, from whom further
16s. 6d. information can be obtained.
Do. do. (31 square) 31s. 6d. JOHN SPARKS, Solicitor, Crewkerne,
Adapt ng ei her to fit MicroNovember 26, 1904. Clerk to the Governors.
Brass Adapter, do. 3s. 6. STAFFORDSHIRE COUNTY COUNCIL.
SCIENCE APPLIED TO POTTERY. WANTED, a PHYSICAL SCIENTIST with first-class University qualifications in Chemistry as Instructor to the County Pottery Classes in North Stafiordshire. Salary: 6350 per annum (with prospects of future developments in connection with the proposed North Staffordshire College). Private practice allowed under conditions. Any form of canvassing will disqualify.
Forms of application must be returned not later than December 17, and can be obtained, together with a Schedule of Conditions, from
GRAHAM BALFOUR, M.A.
Science Gossip says :—“From a personal experience we can vouch
for the fact that it is capable of doing fairly critical work, and it
is therefore specially suitable for students in the photographing SUNDERLAND,
of botanical, entomolo; cal and histological speciniers.”
K'nowledge (Microscopical Editor) says :-"I have seen this class LECTURESHIP IN MECHANICAL AND CIVIL
of camera used by ardent photographers who have wished to ENGINEERING.
secure a photograph of a unique or interesting specimen." Owing to the appointment of Dr. Smith, the present Lecturer, to the Lectureship in Engineering at the Municipal Technical Institute, Belfast, JOHN BROWNING, Manufacturing Optician, applications are invited for the above post. Salary, 6300 per annum ; no fees Age not to exceed forty years. The standard of the teaching is that 78 STRAND, LONDON, W.C. of a University College, and candidates must therefore be qualified to give instruction of this standard. Applications, with a duplicate set of not more than three testimonials, to reach the undersigned at the College not later than December 11, 1904. Apply for further particulars to
UNIVERSITY OF LONDON.
makes an acceptable
To ensure prompt delivery Orders SCIENCE AND MATHEMATICAL
should be booked at once. MASTERSHIPS VACANT. Science Public College, £200; North England. Chemistry and Physics, 6175. Mathematics and Chemistry. Ireland, £150. Chemistry, £120. Mathematical, 6180. A list of Masterships, England, Continent, and Over Sea, sent to all Candi. dates.- ORELLANA & Co., Est. over 40 years, 80 Wigmore Street, Cavendish Square, London, W. (late 44 Old Bond Street, W.).
SANGER - SHEPHERD
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 Sch., Nat. Sc and Drawg., £150+ fees; valuable post to good man. (2) Chem. and Physics little English. Games preferred. £120, res. (3) Chem. + Magteusm and Elecıricity. €100, res. (4) Wrangler, Public School. 6110, res. (9) County School, Maths. £110, non-res. Many January Appointments.
Complete Outfits to attach to Plate Cameras, including
from £7 10 0
or call and see results ohtained by amateurs.
SCIENCE MASTER Wanted for Cape
Colony in February. Large Public School. Unmarried man and churchmuan required. £150, resident. Free passage. Testimonials must accompany enquiries. Apply to Professor Lewis, Cambridge.
SANGER-SHEPHERD & CO.,
5, 6 & 7, Gray's Inn Passage, Red Lion St., Holborn, London, W.C.
For other Scholastic Advertisements, see page xliv.
LIQUID AIR AND LIQUID HYDROGEN. RECTIFIED SPIRIT
(SPIRITS OF WINE). B.P. and higher strengths. Duty paid; or Duty
Free 'under Finance Act 1902.
Dr. HAMPSON'S AIR-LIQUEFIER is now made to a standard pat. tern, and aumbers are in use in University Laboratories and elsewhere in various countries. The whole apparatus is neat and compact and its parts very easily moved ; the Liquefier, without stand, being a cylinder 19 inches high and 8 inches in diameter.
It begins to liquefy air in from 6 to 10 minutes after the admission of air at from 150 to 200 atmospheres pressure, making over a litre of liquid per hour.
It requires no auxiliary refrigerant and produces a perfectly clear liquid which requires no filtering.
The operator bas only one gauge to watch and one valve to control. HYDROGEN LIQUEFIER to the designs of Dr. MORRIS W. TRAVERS for use in conjunction with Air-Liquefier.
Special Quotations to large
For Prices and Particulars apply to the Sole Makers :BRIN'S OXYGEN COMPANY, LIMITED,
ELVERTON STREET, WESTMINSTER, S.W.
BOORD & SON,
DISTILLERS SINCE 1730,
MACMILLAN & CO.'S LIST.
VOLUME VII. NOW READY.
THE CAMBRIDGE NATURAL HISTORY.
EDITED BY S. F. HARMER, Sc.D., F.R.S., AND A. E. SHIPLEY, M.A., F.R.S.
VOLUME VII. FISHES, &c.
INSECTS. PART II.
tera, Strepsiptera, Lepidoptera, Diptera, Aphanip. SHIPLEY, M.A., F.R.S. Rotifers. By Marcus HARTOG,
tera, Thysanoptera, Hemiptera, Anoplura. By M. A. Polychaet Worms. By W. BLAXLAND BENHAM, DAVID SHARP, M.A., F.R.S. D.Sc. Earthworms and Leeches. By F. E. Bed. DARD, M.A., F.R.S. Gephyrea, &c. By A. E. AMPHIBIA &3 REPTILES. Shipley, M.A., F.R.S. Polyzoa. By S. F. HARMER,
By HANS Gadow, M.A., F.R.S.
VOLUME IX. Molluscs and Brachiopods. By the Rev. A. H. COOKE,
By A. H. EVANS, M.A. With numerous Illustrations by G. E. A. E. Shipley, M.A., F.R.S., and F. R. C. REED, M. A.
pods. By F. G. SINCLAIR, M.A. Insects. Part I. Secretary and Prosector of the Zoological Society of By DAVID SHARP, M.A., F.R.S.
London. The volume dealing with SPIDERS, SCORPIONS, and CRUSTACEA is in the Press, and the remaining volume, dealing with PROTOZOA (including Sea Anemones, Jelly Fish, Star Fish, &c.), is in active preparation.
SECOND EDITION NOW READY. THE PRINCIPLES OF INORGANIC CHEMISTRY. By WILHELM OSTWALI).
Translated with the Author's sanction by ALEX. FINDLAY, M.A., Ph.D., D.Sc., Lecturer on Physical Chemistry, University of Birmingham. With 126 Figures in the Text. Second Edition. 8vo.
18s. net. DECEMBER NUMBER NOW READY. THE SC HOOL W O R L D.
A MONTHLY MAGAZINE OF EDUCATIONAL WORK AND PROGRESS.
PRINCIPAL CONTENTS FOR DECEMBER.
-- The New Regulations for Secondary Schools. English Language and Literature. III. The Teacher's Equipment. By J. H. Fowler, M.A. - Mathematics in the Army Entrance Examinations. By PROF. ALFRED LODGE, MA. The Study of Pedagogics by Correspondence.- The Chemistry of Daily Life. II. An Elementary Course of Work, (Illustrated.) By F. R. Leyland Wilson, M.A. –The Training of Secondary School Teachers at the Universities. XI. SL Andrews University. ---Welsh National Conference on the Training of Teachers. ---Secondary Education in Liverpool. -WaterYapour in the Air. A Chapter in Physical Geography. (Illustrated. )-The Teaching of Elementary Mathematics. By J. M. CHILD, B.A. - The Previous Examination at the University of Cambridge..
--Correspondence : The Education and Status of Women. By Cloudesley Brereton, M.A.-Meteorological Observations in Schools. By W. A. Whilton, B.A.-An Auxiliary Language for International Use. By E. A. Lawrence. – A Working Library of General History. By J S. Lindsey.-Association of Teachers in Technical Institutes. By J. Wilson, M.Sc.
WONDERS OF LIFE:
THE ROYAL DUBLIN SOCIETY, IMPORTANT NEW WORK BY SCIENTIFIC TRANSACTIONS.
READY DECEMBER 7th.
Cloth, xiv.-501 pp., price 6s. net ; by post, 6s. 4d. By W. F. BARRETT, F.R.S., W. BROWN, B.Sc., and
(Foreign postage, 8d.)
PART XI., sewed is.
A POPULAR STUDY OF BIOLOGICAL PHILOSOPHY.
By ERNST HAECKEL,
Professor AT JENA UNIVERSITY.
This supplementary volume to "THE RIDDLE OF THE
UNIVERSE"contains much additional valuable informatior bave Occurred in Dublin since the Addition of Carburetted Water-gas to the Ordinary Coal Gas.
on biological questions dealt with in that work. It also answers
indirectly many of the criticisms to which the world-famed By E. J. McWEENEY, M.A., M.D., D.P.H., M. R. I. A.,
“RIDDLE” has been subjected. Professor of Pathology at the Catholic University Medical School, Pathologist to the Mater Misericorde Hospital, Dublin.
“DIE LEBENSWUNDER ("THE WONDERS OF Volume X., Part II., No. 28. Price 6d. On a Method in Qualitative Analysis for Determining the LIFE") was published in Germany at the end of September, Presence of Certain Metallic Oxides.
and within less than three weeks the whole of the first large By CHARLES R. C. TITCHBORNE, F.I.C.,
impression was sold. An enormous circulation, in this country Dip. P.H., F.C.S, &c.
and the Colonies, is anticipated for the English translation. THE INTERNATIONAL BOOK CIRCULAR, No. 129. Containing a special article entitled : "Some Contemporary Foreign
Agents for the Rationalist Press Association, Limited :
WATTS & CO.,
17 Johnson's Court, Fleet Street, London, E.C. WILLIAMS & NORGATE, 14 Henrietta Street, London, W.C. Under the Patronage of the Royal Geographical Society.
With 30 Original Illustrations. Price as. 6d.
The HYGIENE of the MOUTH. JUST PUBLISHED.-- Demy folio, balf-morocco, gilt edges,
A Guide to the Provontion and Control of Dental Diseases.
Dental Surgeon to the Evelina Hospital, Southwark. THE SURVEY ATLAS OF The DISEASES OF CHILDREN'S TEETH
Well Illustrated. Price 6d.
SEGG & CO., 289 and 291 Regent Street, London, W.
and Periodicals promptly supplied at lowest rates.
59 CASTLE STREET EAST, OXFORD STREET, LONDON, W. THE GEOGRAPHICAL INSTITUTE, EDINBURGH.
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