« PreviousContinue »
WATKINS & DONCASTER,
THE NEW COLLECTION OF
336 SPECIMENS AND SLIDES OF ROCKS, CABINETS AND APPARATUS
Naturalists and Manufacturers of
according to H. ROSENBUSCH: “Elemente der FOR ENTOMOLOGY, BIRDS' EGGS AND SKINS, AND ALL
Gesteinslehre, 2d ed. 1901.”
Accompanied by a text-book : "Practical Petrography," giving a short
description of the polarizing microscope and its application, and also of the N.B.-For Excellence and Superiority of Cabinets and Apparatus, refer macroscopical and microscopical features of every specimen of this collec. ences are permitted to distinguished patrons, Museums, Colleges, &c.
tion, by Professor Dr. K. Busz of the University of Münster. This
collection is intended for the practical use of students, and contains typical A LAROE STOCK OF INSECTS, BIRDS' EGGS AND SKINS.
representatives of all important types of rocks; it is composed of 277 SPECIALITY.-Objects for Nature Study, Drawing
massive rocks (94 deep-seated rocks, so dike rocks, 133 volcanic rocks), Classes, &c.
28 sedimentary, and 31 crystalline schists. Out of it two smaller collections Birds, Mammals. &c., Preserved and Mounted by First-class
of 250 and 165 specimens have been elected. The prices are as follows :Workmen true to Nature.
Collection 1. 336 Specimens of Rocks ... 380 Marks. All Books and Publications on Natural History supplied.
la 336 Slides ... ... ... 420
, II. 250 Specimens of Rocks ... 270 36 STRAND, LONDON, W.C.
Ila. 250 Slides.
III. 165 Specimens of Rocks ... 170
... ... 205 ALBERT EDWARD JAMRACH COLLECTIONS OF MINERALS, FOSSILS, METEORITES, (Late CHARLES JAMRACH),
PURCHASED FOR CASH OR EXCHANCED.
The fifth edition of Catalogue No. 4, Petrography, has just 180 ST. GEORGE STREET EAST.
been published (210 pages), and will be sent free of charge on
Dr. F. KRANTZ,
JAMES R. GREGORY & CO., 1 Kelso Place, Kensington Court, London, W.,
for a Prospectus of
By E. L. N. ARMBRECHT.
Symbols, Atomic Weight, Discoverer, Isolater, Specific Gravity, Principal
Source, Melting Point, Properties, Salts of, Price, &c. now being issued in Twelve Monthly Parts, each Part containing Four Fine Hall Tone Plates, and also Four actual Rock Sections.
ARMBRECHT, NELSON & CO.,
71 & 73 Duke Street, Grosvenor Square, W. Subscription in advance, either Monthly, 71-; Quarterly, 21).; or for the whole Series of 12 Monthly Parts & 48 Sections, £4 4s. | N.B.-Sent Free on application.
TABLE OF RARE ELEMENTS
LIVING SPECIMENS FOR
MINERALS, ROCKS, FOSSILS. A large stock of BRITISH AND FOREIGN MINERALS always on view
CORNISH MINERALS Volvox, Spirogyra, Desmids, Diatoms, Amoeba, Arcella, Actinosphærium,
A SPECIALITY. Vorticella, Stentor, Hydra, Floscularia, Stephanoceros, Melicerta, and many Special display for Teachers and Students on Saturdays. Open till 7 p.m other specimens of Pond Life. Price is. per Tube, Post Free. Helix pomatia, Astacus, Ampbioxus, Rana, Anodon, &c., for Dissection purposes.
RICHARDS' SHOW ROOMS,
3 Beauchamp Place, Brompton Road, South Kensington, 35 BALSALL HEATH ROAD, BIRMINGHAM.
London, S.W. MARINE BIOLOGICAL ASSOCIATION
ROCKS, MINERALS, FOSSILS.
For Collectors, Students, Technical Schools, Colleges, &c.
COLLECTIONS IN POLISHED DEAL BOXES.
25 Specimens, 5/6; 50 do., 10/6; 100 do., 21/- ; 200 do., 42/The following animals can always be supplied, eitber living
20 Coal Measure Rocks and Fossils, 12/6; do., larger, 15/-.. or preserved by the best methods :
Adapted for the Board of Education Examinations in Sycon; Clava, Obelia, Sertularia ; Actinia, Tealia, Caryophyllla, Alcy.
Geology, Physiography, and Mineralogy. opium; Hormipbora (preserved); Leptoplana; Lineus, Amphiporus, 4 large stock of Minerals, Rocks, Fossils and Microscopic Objects for Nereis, Aphrodite, Arenicola, Lanice, Terebella; Lepas, Balados,
selection. Specimens sent on approval. Gammarus, Ligia Mysis, Nebalia, Carcinus; Patella, Buccinum, Elodone, Cabinets, Geologists' Hammers, Chisels, Card Trays, Glass-capped Pecteas Bugula, Crisia, Pedicellina, Holothuria, Asterias, Echinos.
Boxes, Models of Crystals, &c., &c.
NEW CATALOGUE POST FREE.
THE DIRECTOR. | THOMAS D. RUSSELL, 78 Newgate St., London, E.C.
er Page, or has to s. d.
NOTICE.-Advertisements and business letters for NATURE should be addressed to the Publishers; Editorial
CHARGES FOR ADVERTISEMENTS.
£ s. d. Yearly . . . . 18o Yearly .
TL 6 * Three Lines in Column
- 0 2 6 Quarter Page, or Half
115 0 Half-carly .
Half-yearly . . 014 61
. . . 015 6 One Sixteenth Page,or Eighth Col. 10° | Half a Page, or a Column 3 5 Quarterly . , . 7 61 Quarterly . . . o 8 o One Eighth Page, or Quarter
Column . . . . o 18 6 | Whole Page . . . 6 60 • The first line being in heavy type is charged for as Two Lines. Cheques and Money Orders payable to MACMILLAN Con CO., Limited.
OFFICE: ST. MARTIN'S STREET, LONDON, W.C.
The NEW RESONANCE APPARATUS
IS NOW ON VIEW,
Contractors to the Admiralty. Il'ar, India, &- Colonial Offices, &C.
TOWNSON & MERCER,
34 CAMOMILE STREET, E.C.
C. E. MÜLLER, ORME & CO.,
CONTRACTORS TO HIS MAJESTY'S GOVERNMENT,
MANUFACTURERS OF APPARATUS FOR TEACHING CHEMISTRY, PHYSICS, MECHANICS,
HYDROSTATICS, &C. DEALERS IN PURE AND COMMERCIAL CHEMICALS. STUDENTS' SETS OF APPARATUS.
LISTS:-Chemical Apparatus-Chemicals-Balances- Assay-Thermometers-Electrical Apparatus-Focus Tubes,
X-Ray, and Wireless Telegraphy Apparatus-or SPECIAL WHOLESALE (for Quantities)-free on application,
Printed by Richard CLAY AND SONS, LIMITED, at 7 & 8 Bread Street Hill, Queen Victoria Street, in the City of London, and published by MACMILLAN
AND Co., LIMITED, at St. Martin's Street, London, W.C., and THE MACMILLAN COMPANY, to bifth Avenue, New York.-THURSDAY, June 1, 1905
A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE
“To the solid ground
[PRICE 30 CENTS Registered as a Newspaper at the General Post Office.)
(All Rights are Reserved.
COUNTY OF LONDON.
SUMMER COURSES OF LECTUR
FACULTY OF SCIENCE. at the L.C.C. Paddington Technical Institute, Saltram Crescent (near
DAY AND EVENING COURSES.
SJ. E. MACKENZIE, Ph.D., D.S.. .
1. WREN, Ph.D., B.A., B.Sc. Practical Workshop.
ALBERT GRIPPITAS, D.Sc. The work of some great British Physicists.
D. OWEN, B.A., B.Sc.
(B. W. CLACK, B.Sc.
SE. H. SMART, M.A.
*** (W. G. Birt, B.A., B.Sc.
(A. B. RENDLE, M.A., D.Sc. Land Surveying.
Botany ... ...
( F. E. FRITSCH, Ph.D., B.Sc. Experimental Mechanics for Building Trades.
H. W. UNTHANK, B.A., B.Sc.
Geology & Mineralogy ... Geo. F. HARRIS, F.G.S.
Assaying, Metallurgy & Mining. Geo. PATCHIN, A.R.S.M.
French, German, Spanish, Russian, Dutch, & Italian Classes meeting of the classes, may be obtained on application to the SECRETARY
EVENING CLASSES also in Biology, Physiology, Practical Geometry, of the Institute.
Building and Machine Construction, Steam, Theoretical and Applied G. L. GOMME,
Mechanics, Land and Quantity Surveying, and Estimating. Education Offices,
Clerk of the London County Council. Victoria Embankment, W.C., June 1, 1905.
Calendar 6d. (post free 8d.), on application to the SECRETARY. METROPOLITAN WATER BOARD, UNIVERSITY OF BIRMINGHAM. DIRECTOR OF WATER EXAMINATIONS.
FACULTY OF SCIENCE. The Metropolitan Water Board are about to appoint on their permanent staff a Chief Officer who will be styled DIRECTOR OF WATER
RESEARCH SCHOLARSHIPS. EXAMINATIONS, and whose duties will be to advise the Board as to
Each of the value of about £96. the buildings, equipment and staff to be provided (under section 25 of the
(Founded by the late T. AUBREY Bowen, Esq., of Melbourne, Australia Metropolis Water Act, 1902), and subsequently to take charge and supervision thereof. The Director will also be required to give his whole time to
(a) Two BOWEN SCHOLARSHIPS in ENGINEERING. the work, and to superintend and be responsible to the Board for all examin.
(6) One BOWEN SCHOLARSHIP in METALLURGY. ations, analyses, experiments and reports, and to undertake such research (c) Three PRIESTLEY SCHOLARSHIPS in CHEMISTRY. work and chemical analyses and bacteriological investigations, whether of
The object of these Scholarships is to encourage higher work and researt water or otherwise, as may from time to time be required of him by the
in Scientific Professional Engineering and in Chemical and Metallurgica Board. The appointment will be held during the pleasure of the Board,
Science. Applications, supported by details of educational training, an and the salary will be £1000 per annum.
references to former teachers and others, should be sent to the REGIST* Applications for the appointment must be made in writing, and must state
| on or before June 19, 1995. The Scholarships will be tenable during te the age, qualifications, experience and present occupation of the applicants.
Session 1905-6. Official forms of application may be obtained from the undersigned, and
Further particulars may be obtained on application to the REGISTRAR. should be used if practicable. Applications must be enclosed in sealed envelopes endorsed “ Director"
UNIVERSITY OF CAMBRIDGE. and addressed to the undersigned; the last day for receiving them is Tuesday, July 11, 1905.
LONG VACATION COURSE, 1905. Canvassing members of the Board will be str rohibited and will be regarded as a disqualification.
PATHOLOGY, PUBLIC HEALTH AND PHARMACOLOGY. A. B. PILLING
This year the work of the Long Vacation Course will be divided int Savoy Court, Strand, W.C.,
Clerk of the Board. three sections: (1) (for D.P.H. Students) commencing on Monday May 31, 1905.
June 26, and (2) (lor Junior Students of Medicine) and (3) (for Advanced
Any further information may be obtained from Mr. E. E. STUBBINS
MATRICULATION, INTERMEDIATE, FINAL on August 31. Salary, £200 per annum. The gentleman
PREPARATION by CORRESPONDENCE and ORAL TUITIO,
on a THOROUGHLY INDIVIDUAL SYSTEM. Fees based holding the office would require to be willing to give his
success. whole time to its duties. Written applications, stating age, The STAFF includes Graduates of Oxford, Cambridge, London, a
Royal Universities, Science Medallists, Prizemen, Scholars, &c. qualifications, references, &c., should be addressed to “The SINGLE SUBJECTS TAKEN: Science, Mathematics, Logic
Psychology, Political Economy, Latin, Greek, French, German, &c. HONORARY SECRETARIES, GEOGRAPHICAL SOCIETY, I Queen For terms, &c., address Mr. J. CHARLESTON, B.A. (Lond. and Oron Street, Edinburgh,” not later than June 26, 1905.
Burlington Correspondence College, Clapham Common, London, S.W. It is particularly requested that there be no canvassing of
NORTHAMPTON INSTITUTE, Members of Council.
ST. JOHN STREET ROAD, LONDON, E.C.
MECHANICAL ENGINEERING DEPARTMENT. The Council invite applications for the appointment of ASSISTANT DRAWING OFFICE and LECTURE ASSISTANT, full time LECTURER IN MATHEMATICS. Commencing Salary £175, to date Salary, 120 per annum. from September I next. Applications, stating age, degrees and qualifica. PATTERN MAKER and INSTRUCTOR in PATTERN MAKING tions, teaching experience, and enclosing testimonials, must reach the full time. Salary, 6120 per annum. PRINCIPAL not later than Tuesday, June 20.
JUNIOR DRAWING OFFICE INSTRUCTOR, full time. Saları Birkbeck College,
(100 per annum. Breams Buildings, Chancery Lane, E.C.
LABORATORY DEMONSTRATOR for the Engineering Laboratories
full time. TO SCIENCE AND MATHEMATICAL JUNIOR TECHNICAL ASSISTANT, full time. MASTERS.-Required (1) For Technical School, Special Subjects,
EVENING INSTRUCTOR in AUTOMOBILE WORK. two even. Electro Technics and Electricity, £160 to $200. (2) Chemistry,
ings per week. Physics, Mechanics, and Maths. C120, resident, or the post might be
ELECTRICAL ENGINEERING DEPARTMENT. non-resident. School in Ireland." (3) Well-qualified Master to teach JUNIOR TECHNICAL ASSISTANT, full time. Electricity, must have had experience in the organisation of the JUNIOR LECTURE ASSISTANT, full time. work of a Local Technical Instruction Committee, 6150 to £200.
Further particulars of any of the above, with forms of application, what (1) Graduate, or A.R.C.S. for Chemistry, Physics, and Mechanics,
should be returned not later than 10 a.m. on Thursday, June 29, 160s, car. C100, resident. Endowed Grammar School. (5) Maths., Chemistry,
be obtained on application by letter to and Physics, £120. County School. For particulars of the above and
R. MULLINEUX WALMSLEY, D.Sc., Principal many other vacancies, address GRIFFITHS, SMITH, POWELL & SMITH, Tutorial Agents (Estd. over 70 years), 34 Bedford Street, Strand,
For other Scholastic Advertisements, see page lii. London,
ROYAL SCOTTISH GEOGRAPHICAL SOCIETY.
W. WILSON. STUDENT'S SPECTROMETER.
Telescope and prism table reading to I min.; clamp and fine adjustment to both. Rack-motion to tele. scope; prism table adjustable vertically and horizontally. Ad. justable slit to colli. mator. Protected
circle. In case.
and have given exceptional satisfaction.
ale 1 BELMONT STREET, LONDON, N.W.
Accurate and grooved frame, so that the water
DR. H. STROUD'S
BRADY & MARTIN, LTD.,
Scientific Apparatus Makers, NEWCASTLE - UPON - TYNE.
THE NEW PATENT
Makers and Dealers in all kinds of Chemical and Physical Descriptive
To be obtained of all Opticians, or Apparatus for Schools and Colleges, Works' Laboratories Pamphlet
the SOLE MAKERS, and Special Research Work.
F. DARTON & CO., CONSTRUCTION OF NEW FORMS OF APPARATUS
CLERKENWELL OPTICAL WORKS, UNDERTAKEN.
| 142 ST. JOHN STREET, LONDON, E.C.