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This report describes the progress that has been made to date on burn detection by acoustic emission with two‐inch camshafts produced for V6 and V8 engines on a Norton ‘camomatic’ grinding machine used for finish grinding valve cams.

According to a report just issued by Dr. ARTHUR NEWSHOLME, the Principal Medical Officer of the Local Government Board, it appears that a majority of the staff of the Medical Department of the Board have been engaged in assisting to establish as favourable sanitary conditions as possible at the training centres for the new troops so that the risks associated with the concentration and feeding of large numbers of men under temporary conditions should be reduced to a minimum.

Merchants and manufacturers have it in their power to minimise in some degree the extent to which we are becoming indebted to foreign countries in respect of the large excess of imports over exports, by obtaining, as far as possible, their imported supplies of food products and raw materials for industries from countries within the Empire. Take, for example, meat and cheese. The prevailing high prices are no doubt encouraging the home production of these commodities. Nevertheless a large quantity must necessarily be imported. In 1914 meat to the value of 62 million pounds was imported, and cheese to the value of 8 million pounds. Of the imports of meat 26 per cent. came from within the Empire, and of cheese 82 per cent. Clearly it is better under existing circumstances that we should buy meat from Australia and New Zealand than from Argentina, and cheese from Canada and New Zealand rather than from Holland and the United States. Many other examples may be mentioned of products which can equally as well be obtained within the Empire as from foreign countries, such as maize from South Africa, where a large increase of production is expected this year; oats from Canada rather than from Argentina and the United States; barley from Canada; peas from New Zealand; butter from Australia and New Zealand; canned salmon, of which 2½ million pounds' worth was imported in 1914, from Canada rather than from the United States; apples from Canada and Australia; wine from Australia; tea from India and Ceylon rather than from China and Java; cocoa from the Gold Coast and the West Indies; copra from Malaya, India and Australia; rubber from Malaya and Ceylon; fibres from New Zealand, Mauritius, Ceylon, etc.; wood pulp from Canada and Newfoundland; wool from Australia, New Zealand, South Africa and the Falkland Islands rather than from Argentina, Chile and other foreign sources; tanning materials from India, Natal, Australia and British East Africa; dyewoods from the West Indies; timber from Canada; hardwoods from India, West Africa, the West Indies and Australia; copper and copper ore from Australia and South Africa; tin and tin ore from Malaya, Nigeria, South Africa and Australia; manganese from India; plumbago from Ceylon; hides from India, Africa and Australia, and so forth. It has been stated that the result of the war may ultimately depend largely on financial strength. In that case the country which is to the greatest extent self‐supporting as regards supplies of the necessaries of life and materials for the manufacture of munitions of war will be in a position to carry on the longest. Undoubtedly the British Empire contains within itself the power to produce all such materials, and the Dominions, Colonies and Dependencies are in fact already supplying a large proportion of the food products and raw materials for industries, which are imported into the United Kingdom. There are a few notable exceptions, e.g., for our supplies of cotton and sugar we have always been largely dependent on foreign countries, but Uganda and the Soudan are capable of producing in the future very large quantities of cotton of the quality required by Lancashire spinners, and sugar production in our Colonies could, with proper encouragement, be expanded so as to meet the whole of the requirements of the Mother Country. If the British capital and energy which have in the past gone every year to the development of enterprises in foreign countries had been devoted for a tew years exclusively to exploiting the resources of the Dominions and Colonies, the British Empire would, by this time, have become practically self‐supporting, and the bulk of our imported foodstuffs and raw products required for our manufacturing industries would now be obtained from within the Empire and paid for by increased quantities of our own manufactures. It may be hoped that one of the lessons which we shall learn from the war will be definitely to encourage the development of the vast resources of our overseas Empire. — The Chamber of Commerce Journal.

President, Charles S. Goldman, M.P.; Chairman, Charles Bathurst, M.P.; Vice‐Presidents: Christopher Addison, M.D., M.P., Waldorf Astor, M.P., Charles Bathurst, M.P., Hilaire Belloc, Ralph D. Blumenfeld, Lord Blyth, J.P., Colonel Charles E. Cassal, V.D., F.I.C., the Bishop of Chichester, Sir Arthur H. Church, K.C.V.O., M.A., D.Sc., F.R.S., Sir Wm. Earnshaw Cooper, C.I.E., E. Crawshay‐Williams, M.P., Sir Anderson Critchett, Bart., C.V.O., F.R.C.S.E., William Ewart, M.D., F.R.C.P., Lieut.‐Colonel Sir Joseph Fayrer, Bart., M.A., M.D., Sir Alfred D. Fripp, K.C.V.O., C.B., M.B., M.S., Sir Harold Harmsworth, Bart., Arnold F. Hills, Sir Victor Horsley, M.D., F.R.C.S., F.R.S., O. Gutekunst, Sir H. Seymour King, K.C.I.E., M.A., the Duke of Manchester, P.C., Professor Sir Wm. Osler, Bart., M.D., F.R.S., Sir Gilbert Parker, D.C.L., M.P., Sir Wm. Ramsay, K.C.B., LL.D., M.D., F.R.S., Harrington Sainsbury, M.D., F.R.C.P., W. G. Savage, M.D., B.Sc., R. H. Scanes Spicer, M.D., M.R.C.S., the Hon. Lionel Walrond, M.P., Hugh Walsham, M.D., F.R.C.P., Harvey W. Wiley, M.D., Evelyn Wrench.

The new sub‐department of the Local Government Board, recently created for the purpose of dealing with problems relating to the food supply as regards character and quality, is one apparently whose energies will, in the first place, bo chiefly directed to the institution of some control over the purity of the milk supply of the country. This National Pood Bureau appears to be primarily the outcome of the appeals that have been made from time to time to the authorities to exercise the powers invested in certain Government departments more stringently. Presumably attention will not be limited to the milk supply, important though that be, but in the near future various questions relating to cattle in general will bo dealt with. The two subjects of milk and meat are too closely allied to permit of each one being treated separately or without reference to the other. At the same time, if these closely related questions of milk and meat are to be adequately dealt with it is impossible to leave out of sight the subject of the wholesomeness or unwholesomeness of the imported meat that comes in such immense quantities into this country from abroad. At the present time the bulk of the meat so imported reaches this country from the United States, and in increasingly large quantities from South America. The justifiable outcry that was raised some years ago regarding the American meat packing scandals has, it would seem, quite died down; but unfortunately we have the strongest evidence that the temporary falling off in the trade in imported preserved meat between this country and the United States, which followed upon the agitation, has had but little salutary effect, and that the quality of the meat sent to this country from the United States still leaves much to be desired.

In dealing with the relations of the Public Analysts to the Local Authorities, the very wide differences in status and importance exhibited by the various types of local authorities possessing the power to appoint such officers must first be considered. At first sight this matter may appear to be one of minor significance, but it has in reality a most important bearing on the efficiency of the administration of the Acts, and it is one in regard to which future legislation might effect much‐needed reform.

The general quality of milk supplied by the cows will also affect the question, and in this connection it may be noted that Mr. Lehmann stated to the Departmental Committee that Dutch cows do not produce a milk so rich in fat as these of Switzerland; an examination of the figures given tends to corroborate this view. Dutch milks appear to require concentration to a higher degree in order to provide as large a proportion of fat as Swiss or Norwegian made milk.

[On November 7 last, at a meeting of the society which we regret to see is still incorrectly styled the “Society of Public Analysts,” a valuable and highly interesting paper, entitled “The Analyst and the Medical Man,” was read by Dr. F. Gowland HOPKINS, who attended the meeting by invitation for this purpose.

The official supervision which may be exercised over the food supply of England and Wales, so far as its quality and wholesomeness is concerned, falls under the following heads:—

The laws directed against adulteration and fraudulent or unfair dealing have undoubtedly done much good wherever they have been enforced. Their application in this and in other countries has shown how widespread are these practices and how various are their forms, while the punishment of real offenders, in the by no means large proportion of cases where it has been possible to bring forward sufficient proof of guilt, has certainly not been displeasing to the general public, and must have afforded particular satisfaction to those members of the trading community who have appreciated the injury done to them by unfair or actually dishonest competition.