Sole Makers: C. E. MÜLLER, ORME & CO., Ltd., 148 HIGH HOLBORN, LONDON, W.C. 34 CAMOMILE STREET, E.C. A REALLY FIRST-CLASS X-RAY TUBE, equal in workmanship and results to Tubes double the price. 16/6 ISENTHAL & CO., 85 MORTIMER STREET, LONDON, W., Contractors to the Admiralty, War, India, and Colonial Offices, &c. THE LONDON STEREOSCOPIC COMPANY'S 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 MINISTRY of PUBLIC INSTRUCTION, BIRKBECK COLLEGE EGYPT. POLYTECHNIC SCHOOL OF ENGINEERING. An INSTRUCTOR in ENGINEERING is required to begin work on September 30 in the Polytechnic School of Engineering, Ghizeh (near Cairo). The Instructor appointed will be engaged in teaching Descriptive Engineering and Hydraulics. Candidates must have had practical experience as engineers, and have been engaged on work of a class intimately related to the subjects to be taught. They should be from 25 to 35 years of age, unmarried, and have a robust constitution. A University Degree or Diploma in Engineering is an essential qualifi cation. Salary about £430 per annum (Eg. 35 per mensem), rising to about 6553 per annum (Eg. 45 per mensem). Allowance for passage out to Egypt. Bachelor quarters are provided. Applications, with full statement of qualifications, and accompanied by copies only of testimonials, must be sent in before July 22, 1905, addressed to W. C. MACKENZIE, Esq., D.Sc., 5 The Crescent, Cromer, to whom candidates may apply for further information. MINISTRY of PUBLIC INSTRUCTION, EGYPT. SCHOOL OF AGRICULTURE. An INSTRUCTOR in LAND SURVEYING and FARM ENGINEERING is required to begin work on September 30 in the School of Agriculture, Ghizeh (near Cairo). Preference will be given to candidates having experience of Practice and Teaching. They should be from 23 to 33 years of age, unmarried, and have a robust constitution. A University Degree or College Diploma is an essential qualification. Salary about £295 per annum (Eg. 24 per mensem), rising to about 393 per annum (Eg. 32 per mensem). Allowance for passage out to Egypt. Bachelor quarters are provided. Applications, with full statement of qualifications, and accompanied by copies only of testimonials, must be sent in before July 22, 1905, addressed to W. C. MACKENZIE, Esq., D.Sc., 5 The Crescent, Cromer, to whom candidates may apply for further information. COUNTY COUNCIL OF THE WEST RIDING OF YORKSHIRE. EDUCATION DEPARTMENT. SECONDARY SCHOOLS. The West Riding Education Committee will require in September the services of : ONE ASSISTANT MASTER to teach principally Mathematics. Salary, £150 per annum. TWO ASSISTANT MISTRESSES to teach principally Science. Salary, £120 each per annum. ONE ASSISTANT MISTRESS to teach principally Mathematics and Physical Exercises. Salary, £120 per annum. ÓNE ASSISTANT MISTRESS with special qualifications for preparatory work. Salary, £120 per annum. ONE ASSISTANT MISTRESS to teach principally English and Physical Exercises. Salary, £100 per annum. Applications for these posts must be made on forms to be obtained from the Education Department (Secondary), County Hall, Wakefield, where they must be returned not later than Saturday, July 29, 1905. Copies of not more than three recent testimonials must be sent with the application. Canvassing will be a disqualification. COUNTY COUNCIL OF THE HIGHER EDUCATION. The West Riding Education Committee will require in September the services of TWO MASTERS (one qualified in Science and Mathematics, and one in English and General Subjects) for the purpose of conducting Courses of Instruction for Groups of Elementary Teachers and undertaking some teaching in Secondary Schools, at £200 each per annum. Applications for these posts must be made on forms to be obtained from the Education Department (Secondary), County Hall, Wakefield, where they must be returned not later than Saturday, July 29, 1905. Copies of not more than three recent testimonials must be sent with the application. Canvassing will be a disqualification. BIOLOGY.-Wanted, an Assistant to help generally in Biological Laboratory on four afternoons and four evenings per week; must be qualified to take Elementary Board of Education Class in Physiology. Salary, £50, and free admission to other classes in College -Apply to PRINCIPAL, BIRKBECK COLLEGE, Breams Buildings, E.C.' BIRKBECK COLLEGE. The Council invite applications for the appointment of ASSISTANT LECTURER in MATHEMATICS. Commencing salary, £175, to date from September 15 next. Applications, stating age, degrees and qualifications, teaching experi ence, and enclosing testimonials, must reach the PRINCIPAL not later than August 30. Birkbeck College, Breams Buildings, Chancery Lane, E.C. BREAMS BUILDINGS, CHANCERY LANE, E.C. FACULTY OF SCIENCE. Chemistry Physics ... Mathematics Botany DAY AND EVENING Courses. JJ. E. MACKENZIE, Ph.D., D.Sc. B. W. CLACK, B.Sc. E. H. SMART, M.A. 1 W. G. BIRT, B.A., B.Sc. JA. B. RENDLE, M.A., D.Sc. F. E. FRITSCH, Ph.D., B.Sc. H. W. UNTHANK, B.A., B.Sc. Geology & Mineralogy GEO. F. HARRIS, F.G.S. Assaying, Metallurgy & Mining. GEO. PATCHIN, A.R.S.M. RESEARCH in Chemistry and Physics in well-equipped laboratories. French, German, Spanish, Russian, Dutch, & Italian Classes. EVENING CLASSES also in Biology, Physiology, Practical Geometry, Building and Machine Construction, Steam, Theoretical and Applied Mechanics, Land and Quantity Surveying, and Estimating. Calendar 6d. (post free 8d.), on application to the SECRETARY. Manresa Road, Chelsea, S.W., Day College Courses of thirty hours per week will be conducted in preparation for the London University Degrees of B.Sc. in Mechanical and Electrical Engineering, in Chemis try, Physics and the Natural Sciences. The composition fee for the Session of three terms, 1905-1906, is £15. These Courses are recog nised for "Internal Students" of the University, and consist of lecture and laboratory instruction. The Courses are conducted by :MECHANICAL ENGINEERING, W. W. F. Pullen, A. Macklow Smith; ELECTRICAL ENGINEERING, A. J. Makower; CHEMISTRY, J. B. Coleman, J. C. Crocker, and F. H. Lowe; MATHEMATICS and PHYSICS, S. Skinner, W. H. Eccles, J. Lister and L. Lownds; BOTANY, H. B. Lacey and T. G. Hill: GEOLOGY, A. J. Maslen. In the evenings similar Courses will be conducted, but at £2 per Session. Also TECHNICAL DAY COURSES of three years' duration are arranged as a preparation for the Engineering, Electrical and Chemical and Metallurgical professions. The Laboratories and Workshop are open for RESEARCH under the direction of The Principal and the Heads of Departments. Further particulars may be obtained on application to The SECRETARY, who will send the Calendar and Prospectus for 31d., or it may be obtained at the Office, price 1d. ST. MARY'S HOSPITAL MEDICAL SCHOOL, PADDINGTON, W. The WINTER SESSION will begin on OCTOBER 2. The Medical School provides complete courses for the Medical Degrees of the Universities of London, Oxford, Cambridge and Durham; for the Diplomas of M.R.C.S., L.R.C.P.; and for the Naval and Military Medical Services. PRELIMINARY SCIENTIFIC (M.B. LOND.).-A complete course of Chemistry, Physics and Biology, under recognised Teachers of the University, will begin on October 3. SIX ENTRANCE SCHOLARSHIPS in Natural Science, value £145 to £52 10s., will be competed for in September. Calendar and full particulars on application to the DEAN. THE GROCERS' COMPANY'S SCHOLARSHIPS. With the object of encouraging original research in Sanitary Science, the Grocers' Company offer TWO SCHOLARSHIPS, each of £300 a year, with an allowance to meet the cost of apparatus and other expenses in connection with the work, tenable for one year, but renewable for a second or third year, subject to the conditions of the scheme under which they are established. The next Election will take place in May, 1906. Applications must be sent in before April 1 to the CLERK OF THE GROCERS' COMPANY, Grocers' Hall, London, E.C., from whom a form of application and further information may be obtained. INDIAN FOREST SERVICE. THE SECRETARY OF STATE FOR INDIA IN COUNCIL gives notice that, in view of the late date at which the Regulations for the Appointment of Probationers to the Indian Forest Service were published this year, he has decided to modify them (a) by extending till Tuesday, August 1, the period within which applications will be received; (6) by admitting to the examination candidates who undertake to pass Responsions or its equivalent before October next, failing which their selection would be cancelled; (c) by permitting candidates to offer Zoology at their discretion. Applications for admission to the examination must be made on a printed form to be obtained (with the revised Regulations) from the SECRETARY, Judicial and Public Department, India Office, Whitehall, London, S. W. The age limits are 18 10 21 years on January 1, 1905. Not less than 13 candidates will be selected, if fully qualified. THE GLASGOW ANd west OF SCOTLAND TECHNICAL COLLEGE. The Governors invite applications for a post about to be created in the Administrative Department of the College. The principal duty of the officer appointed will be to secure the co-ordination of the work of the Continuation Classes in Mathematics, Engineering Drawing and Building Construction, conducted by the School Boards of Glasgow and Govan, with the College Evening Classes in the same subjects. His work in this connection will be under the supervision of a Joint Committee representing the School Boards and the College; in regard to his other duties, he will be under the direction of the Governors of the College, and must place his whole time at their disposal. Candidates must have a sound knowledge of two of the subjects named, as well as experience in teaching them. Salary not less than £300 per annum. Applications must be sent to the SECRETARY, Technical College, Glasgow, on or before July 29. COUNTY BOROUGH OF BURY. COUNTY OF LONDON. JUNIOR ASSISTANT NATURALIST, HORNIMAN MUSEUM. Applications are invited for the post of JUNIOR ASSISTANT to the Naturalist at the Horniman Museum, Forest Hill, S.E. Preference will be given to applicants who have made a practical study of some branch of Natural History, and have a general knowledge of Zoology. Importance will be attached to good handwriting, and an acquaintance with photographic methods is desirable. Commencing wages, 158. a week. Applications in the candidate's own handwriting, with copies of not more than three testimonials, must be sent to the undersigned not later than 10 a.m. on July 28, 1905. G. L. GOMME, Clerk of the Council. County Hall, Spring Gardens, July 20, 1905. To SCIENCE and MATHL. MASTERS.REQUIRED (1) Master qualified to teach Theoretical and Practical Science, &c. Commencing salary, 150, non-res. Secondary School near London. (2) Assistant Master for General Elementary Science. Degree not necessary. 22 hours' work a week. Technical Institute in Kent. £140 to £160, non-res. (3) Two Masters required for Physics and Chemistry under Dept. of Agriculture and Technical Instruction, roo each, resident. Grammar School. For particulars of the above and many other vacancies, address:-GRIFFITHS, SMITH, POWELL & SMITH, Tutorial Agents (Estd. 1833), 34 Bedford Street, Strand. WANTED for PHO. 105 WOLMER'S SCHOOL, KINGSTON, JAMAICA, by September 12, 1905, an ASSISTANT MASTER to take charge of the Science Teaching (Physics and Chemistry) throughout the School, and to teach ordinary class subjects in addition. Salary, £150 (One Hundred and Fifty Pounds) per annum, non-resident. Passage money to Jamaica (18) will be pa d, but must be refunded by the Master appointed if he resigns within twelve months; 12 to be refunded on resignation in the second year; 16 on resignation in the third year. Medical certificate of health required. Apply, stating scientific qualifications, subsidiary subjects, &c., and enclosing testimonials, to W. COWPER, M.A., Headmaster, Wolmer's School, Kingston, Jamaica. Applications made in response to this advertisement (those already made need not be repeated) should be posted not later than Thursday, July 27. MASTERSHIPS VACANT FOR SEP TEMBER. - Physics, College in India, £320, and passage; Mathematical, Public College, England, £200; Several Science Graduates, Public College, London University Teaching Centre. £150 to 300; Ditto, Mathematical, £150 to £300; English, must be in Honors, 150 to £175; English and French, £150 to 175; 200 Vacancies for Senior, Junior, and Foreign. ORELLANA Send List to all Candidates, СО. 80 WIGMORE STREET, LONDON, W. MUNICIPAL TECHNICAL SCHOOLS, LIMERICK. A PRINCIPAL is required for the above Schools who would also undertake to teach Electricity in the evenings. Salary, L200 to £250, according to qualifications and experience of organising work. Application to be sent before July 31 to THE SECRETARY, 69 George Street, Limerick. KENT EDUCATION COMMITTEE. TECHNICAL INSTITUTE, TUNBRIDGE WELLS. Applications are invited for the post of ASSISTANT in the SCIENCE DEPARTMENT. Salary, £150. Apply to H. W. Cook, Principal. For other Scholastic Advertisements, see fages cxii and cxiv, GUY'S HOSPITAL. PRELIMINARY SCIENTIFIC (M.B. London). The next Course of LECTURES and PRACTICAL CLASSES for this Examination will begin on October 2. Full particulars may be obtained on application to the DEAN, Guy's Hospital, London Bridge, S. E. BRIDLINGTON HIGH SCHOOL WANTED in September, ASSISTANT MISTRESS for SCIENCE and MATHEMATICS. Degree or equivalent. Apply HEAD MISTRESS. A large Manufacturing Company is open to engage in a confidential position a young Englishman who possesses thorough knowledge of Chemistry, Inorganic and Organic, and who understands the elements of Mechanical Engineering. A knowledge of French and German desirable. State age and family connections, and where education has been acquired. Reply to "MANUFACTURER,' c/o STREET'S, 30 Cornhill, London, E.C. Wanted, Manager for High-class Scientific Apparatus Business. Applicant must have had good experience and a thorough scientific training.-Apply, stating age, salary required, and full particulars, to "ALPHA," c/o NATURE Office. By using THE SYTAM Bottle & Specimen Partette IN YOUR LABORATORY, MUSEUM, you can save ths of your wall space and find what you want on the instant. IN THE SYTAM SYSTEM One hundred 4 oz. bottles occupy less than one square foot of wall space; each bottle is instantly located, removed or replaced, and any size from oz. to a Winchester can be accommodated in the same sized Element. WRITE FOR THE BROWN LIST TO THE SYTAM FITTINGS CO., Technical Chemist, well up in general 18 & 19 BASINGHALL BUILDINGS, chemistry and analysis of carbohydrates and brewing materials, accustomed to supervision of students, aged 27, requires post, moderate salary.-Address 1864, NATURE. First-class A.R.C.Sc. (Geology), Asst. Demon- For other Scholastic Advertisements, see pages cxii and cxiii. PHOTOMICROGRAPHY for Publishers, Lecturers, Manufacturers, and general scientific research. Good work, moderate charges.-SAXBY, 91 Penny Lane, Sefton Park, Liverpool. TYPE-WRITING UNDERTAKEN BY HIGHLY EDUCATED WOMEN ACCUSTOMED TO SCIEN- page 232. Inexpensive. PRICE 21/ THE NEW PATENT PIESMIC BAROMETER. To be obtained of all Opticians, or F. DARTON & CO., 142 ST. JOHN STREET, LONDON, E.C. SCIENTIFIC WORTHIES. GLASS BLOWING. |