Vol. VIII. No. 86. 
IMPERIAL INSTITUTE JOURNAL. [February, 1902.] 35 
IMPERIAL INSTITUTE JOURNAL. 
THE 
SCIENTIFIC AND TECHNICAL 
DEPARTMENT. 
Vol. VIII. No. 86. LONDON. FEBRUARY, 1902. 
GENERAL NOTICES. 
“THE IMPERIAL INSTITUTE JOURNAL.” 
An ornamental Cloth Cover, for binding the numbers of the Journal for the year 
1901 into one volume, may be obtained at the Ticket Office of the Institute, or 
from Messrs. Waterlqw and Sons Limited, Blomfield-house, London-wall, E.C., 
price 2s. 6d. Bound volumes of the Journal for the seven years, 1895-1901, may be had 
at 1 os. each. 
Fellows resident in the United Kingdom, the Colonies, India, and Foreign Countries, are 
supplied with the JOURNAL free by post each month. 
The Subscription to the Journal from other than Fellows, both at home and abroad , is 
as follows, including Postage, and Posted Monthly : — • 
Yearly . 8s. od. j Half-yearly . 4s. 6d. j Quarterly . 2s. 6d. 
Subscribers to the JOURNAL can have it forwarded by post on each day of publication 
by payment in advance. Post Office Orders or Cheques should be made payable to the 
Editor, at the Imperial Institute, South Kensington, S.W., to whom also all communications 
relating to the JOURNAL should be addressed. 
The Journal may also be purchased for Sixpence each copy at the Ticket Office 
of the Institute and at the railway book-stalls of Messrs. Willing & Co. 
The City Agents for the Journal are Messrs. Willing & Co., 17, Royal Exchange, 
London, E.C. It may also be obtained at the offices of the printers, Waterlow & Sons 
Limited, Blomfield-house, London-wall, London, E.C. 
Communications respecting Advertisements should be addressed to the Advertisement 
Manager, 6, Arun del-street. Strand, London, W.C. 
m- This Journal is distributed (by post) throughout the United Kingdom, India, and the 
Colonies of the British Empire, and- to the follmving Foreign Countries : — Argentine 
Republic, Austria-Hungary, Belgium, Bolivia, Chili, China, Colombia , Costa Rica, 
Denmark, Egypt, France, Germany, Greece, Hawaiian Islands, Holland , Italy, Japan, 
Mexico, Montenegro, Morocco, Norway, Persia, Peru, Portugal, Russia, Siam, Spain , 
Sweden . , Switzerland, Tripoli, Turkey, United States of America, Uruguay, and 
Venezuela . The Journal is also placed in the Reading Rooms of CHAMBERS OF 
Commerce, Clubs, and Hotels, both at home and abroad. 
THE FELLOWS’ DEPARTMENT. 
The Reading, Writing, and News Rooms, are open for the use of 
Fellows every week-day from 10 a.m. till 11.30 p.m., and on Sundays from 
3 p.m. to 10.30 p.m. The Library (on the First Floor), is open from 
10 a.m. to dusk on Week-days, and from 3 p.m. to dusk on Sundays. The 
Map Pvoom (First Floor) is open from 10 a.m. to 5 p.m. on Week-days. 
The Poste Restante is open every week-day for receipt and delivery of 
letters and parcels. Letters addressed to initials only are not received, except 
in reply to notices in the Journal, under “ Requirements ” Registry. The 
General Post Office Pillar Box is cleared daily twelve times, between 10. 10 a.m. 
and midnight. 
Light refreshments only are, for the present, provided in the Fellows’ 
Rooms and at the bar of the Ceylon Kiosk. 
— 
LECTURE AND CONCERT ARRANGEMENTS. 
LECTURES. 
An Illustrated Public Lecture will be given on every Monday evening 
during the remainder of the season. The following have been arranged 
for February : — 
Mon., 3rd Feb., at 8.30 p.m. “The Native Races of Nigeria,” by C. F. 
IIarford-Battersby, Esq., M.D., Principal of Livingstone College. In 
the Chair: T. F. V. BUXTON, Esq., J.P. 
Mon., 10th Feb., at 8.30 p.m. “The Coloured Races in Australia,” by 
the lion. Sir Horace Tozer, K.C.M.G., Agent-General for Queensland. 
In the Chair: The Right Hon. Lord Lamington, G.C.M.G., late 
Governor of Queensland. 
Mon., 17th Feb., at 8.30 p.m. “The Obstacles to Development in West 
Africa,” by C. F. IIarford-Battersby, Esq., M.D., Principal of 
Livingstone College. In the Chair: Admiral the Right Hon. Sir JOHN 
Dalrymple Hay, Bart., K.C.B., F.R.S. 
Mon., 24th Feb., at 8.30 p m. “ British Columbia,” by the Flon. J. H. 
Turner, Agent-General for British Columbia. 
The fixtures for the subsequent Monday evenings of the Lecture Season 
will be announced in due course. 
Admission to the Lecture-Hall by the first etitrance to the Imperial 
Institute coming from Exhibition Road. 
Seats are reserved for Fellows, who have also the privilege of admitting 
two Friends for each Lecture, or Address, by reserved seat tickets. 
CONCERTS. 
The Evening Concerts for Fellows and their friend's will be continued 
during the Winter Season, 1901-2, and will take place in the Jehangier 
Hall on certain Wednesday evenings, the dates of which will be announced 
in due course. 
The following Concerts will take place this month 
Wed., 5th February, 8.30 p.m. Concert by the Imperial Institute 
(Amateur) Orchestra. Chairman of Orchestral Committee, Frank H. 
Butler, Esq. Hon. Leader , Louis H. d’Egville, Esq. Hon. Con- 
ductor, A. Randegger, Esq. 
The programme will include the following : — ■ 
Symphony in B Minor (unfinished) .... 
Introduction to Act III. “ Tannhauser” 
Song Cycle . , . “ Summer Time ” 
(Conducted by the Composer). 
Overture .... “Rienzi” . 
Judex .... From “Mors et Vita” . 
Valse “Schatz” . 
Pianoforte Concerto, No. 2, in G Minor, Op. 22 
Miss Marguerite Elzy. 
Schubert. 
Wagner. 
Landon Ronald, 
Wagner. 
Gounod. 
Johann Strauss. 
Saint- SaSns. 
Vocalist 
Mr. Henry Boulderson, 
Wed., 19th February, 8.30 p.m. Concert by the Students of the Royal 
Academy of Music, under the direction of Sir Alexander C. 
Mackenzie, Mus.Dqc., LL.D., F.R.A.M. 
Fellows have free admission to the Concerts, and can purchase tickets 
at 2s. 6d. each) for the admission of their Friends. 
The Scientific and Technical Department of the Institute has been 
established to acquire information by special enquiries and by experimental 
research, technical trials and commercial valuation regarding new or little 
known natural or manufactured products of the various Colonies and 
Dependencies of the British Empire and of foreign countries, and also 
regarding known products procurable from new sources, and local products 
of manufacture which it is desired to export. This work is carried out with 
a view to the creation of new openings in trade, or the promotion of 
industrial developments. 
In the extensive and well-equipped series of Research Laboratories 
occupying the West Corridor of the Second Floor, a staff of skilled Chemists, 
under the direction of Professor Wyndham R. Dunstan, M.A., F.R.S., carry 
out the investigation of the chemical constitution and properties of new dye, 
stuffs, tanning materials, seeds and food-stuffs, oils, gums and resins, fibres, 
timbers, medicinal plants and products ; animal products, minerals and ores- 
soils, cements, and various other products, with a view to their commercial 
utilization. Whenever necessary these materials are submitted to special 
scientific experts, by whom they are made the subjects of particular investiga- 
tion or practical tests. Reports are also obtained from technical or trade- 
experts in regard to the probable commercial or industrial value of any 
such products, whilst full information is collected from official or other 
trustworthy sources regarding the probable extent and cost of available 
supplies. All materials requiring scientific or technical examination, or com- 
mercial valuation, should be submitted to the Institute for examination either 
by, or through, the Foreign Office, the Colonial Office, the India Office, or 
the Board of Trade, or through the Colonial or Indian Government 
Authorities. Requests for the examination of such materials may also be 
submitted by Public Commercial Bodies and Institutions of the respective 
Colonies and Dependencies, or by the Representatives of H.M. Government 
in foreign countries. 
— « » ■ 
COMMERCIAL INTELLIGENCE DEPARTMENT. 
The Office of this Department, in the West Corridor, First Floor, is open 
daily from 10 a.m, to 5 p.m. (on Saturdays till 1 p.m.), for the purpose of 
answering enquiries and supplying information relating to the Commerce 
(Export and Import) and Industries of India and the Colonies. Applications 
may be made personally or by letter. Special information may be obtained 
from the Curators in charge of the Indian and of certain Colonial Collections. 
Arrangements have been made for the translation for mercantile firms of 
Trade Circulars, Price-Lists, and Catalogues into any Foreign Language, 
including the conversion of weights, measures and coinages, etc., at cost 
price, and application for such may be addressed to this Department. 
— 
THE COMMERCIAL COLLECTIONS. 
The Galleries containing the Colonial and Indian Collections, 
and the Public Commercial and Industrial News Room, are open 
for free inspection by the public daily, except Sundays , and any days 
specially ?iotified , from 11 a.m. until 4 p.m. Every information concerning 
the products, their supply, etc., can be obtained on application to the 
Curators of the Indian and Ceylon, Canadian, and South African Sections, 
to the general Curator, and to the Commercial Intelligence Department. 

CITY BRANCH OF THE IMPERIAL INSTITUTE. 
The City Branch of the Imperial Institute, at 112, Cannon-street, 
E.C., is open to Visitors on week-days from 10 a.m. till 5 p.m. The Branch 
includes a News Room, supplied with many British and Foreign Commercial 
Publications, Market Reports, etc., and an Enquiry Office in telephonic com- 
munication with the Commercial Information Office of the Imperial Institute. 
The News Room and Enquiry Office are free to Fellows of the Institute ; 
other persons are admitted on payment of fii annually. 
Subscribers are entitled to inspect, free of charge , any maps or charts 
included in the Map Room collection at the Imperial Institute, South 
Kensington, and to consult any works, or official papers, included in the 
Institute Library. 
The Information Department will undertake to obtain analytical or other 
examinations of samples by competent Experts, upon payment, by persons 
submitting them, of the usual professional fees, to be previously specified, and 
agreed to by the applicant. (For further information see page 48), 
THE NORTHBROOK SOCIETY. 
The Northbrook Society is affiliated to the Imperial Institute, and has 
a special room allotted for the exclusive use of its members in the Institute 
buildings. Its primary objects are to watch over and promote the interests 
of natives of India, and to provide a system of guardianship or supervision 
over such as are sent to Europe for education. The Society is controlled by 
a committee consisting of an equal number of Governors of the Imperial 
Institute and members of the Society, presided over by the Earl of Northbrook. 
It possesses an excellent library. Indian members, who pay no subscrip- 
tion to the Society, have the especial advantage of becoming Fellows of the 
Institute at half the usual subscription payable by the ordinary Fellows. 
Applications for membership of the Society should be addressed to the 
Secretary of the Northbrook Society, Imperial Institute, London, S.W. 

EMIGRATION INFORMATION OFFICE. 
The Office of the British Women’s Emigration Association (see 
page 50), in the West Corridor, First Floor, is open daily from 10 a.m. 
to 4 p.m., and advice and information respecting emigration and openings in 
the Colonies may be obtained there free of charge. Enquiries of all kinds 
relating to the Colonies from intending Emigrants are dealt with in the 
Commercial Intelligence Department, and special information respecting 
Canada and the Cape Colony may also be obtained from the Curators for 
these Colonies, on application personally at their offices, or by letter. 
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