Answers to Queries.
Page 18
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Coal-gas Fittings for Chars-a-banci.
[42691 (Bright*.—Flexible gasholdersand the necessary fittings are supplied by Messrs. Andrew Barton Bros., of Beeston, Notts.
Can Ordinary Col-gas Be Liquefied?
[4127O1 (Hampstead).—Natural gas is still being i very widely sold in the U.S.A. n liquid farm, but ordinary coal-gas cannot be liquefied, except under considerable pressures, and is really not wanted in liquid form. When the war is over, no doubt compression will be applied to ordinary coal-gas, to increase convenience of application.
How Can They Get More Petrol?
[4271] (Dundee) --The importance of a particular business is not the test at the present time, as you will be aware, but the national character of the work -done. :-You will be able to get more petrol if you can persuade the local munitions Board, the military officer commanding the district, or the Food Control Board of Grosvenor House, Upper Grosvenor Street, S.W. 1, that you are entitled to a certificate at their hands, to the effect that your work is of national importance, following the receipt of which certificate the Petrol Control Committee will be obliged to give you more petrol. It has been announced in the Press frequently, during the past two months, and in this journal amongst others, that it is only on such certificates that the Petrol Control Committee will give any supplementary quantities. The name of the Secretary of the Food Control Department is Mr. Burton.
British and American War Department Specifications.
[4272] (Scotland).—The specification of motor vehicles for the U.S.A. War Department can be obtained by written a,pplication to the Motor Transport Board of the War Office, care of the Quartermaster-General, Washington ; alternatively, no doubt, you will be able to get one from the Society of Automotive Engineers, 29, West 39th Streets New York, or by purchasing a copy of the 19th April issue of "The Automobile," an American journal published by the Class journal Co., 231-241, West 39th Street, New York.
We think that if you will read our article again you will find that we are in no sense of the word unfair to a ,British product, since we compare no British product and mention no British product. The specifications only are discuseed, the American one being read in conjunction with the British one, this appearing to be the best method of rending it intelligible to the British reader. We are of the opinion that British engines stand second to none. There should be no doubt whatever that British engines of the size named will develope the required horse-power. The comparison in the article was really drawn between the somewhat loose and haphazard designation of the British specification and the carefully-drawn-up American one, which specifies not only the actual torque, as well as the size of the engine, but insists that thistorque must be maintained over a reasonably wide range of engine speeds. We cannot agree with you that there has been any error at all in selecting 5 ins., stroke for the engine which we compared with the American size in dealing with the U.S.A. War Office specification. The size was selected ad approximating to the American one in point of volume. The American specification calls for 414 cubic inthes ; the engine we selected gives 362 cubic inches. It is, as you are weIl aware; a size that could very probably be selected by future English makers.' It is not far different from the size that has already been selected in the past, although, as a matter of fact, this size was selected without any actual reference to the specification of British W.D. models.
e54 Special Body Required.
[4273] (Iersen.—You will probably be able to get such a body as you require from one of the following firms :--Jas. Bartle and Co.. Western Ironworks, Lancaster Road, Notting Hill, W. 11 G. Scarfimell and Nephew, Ltd., Spitaifields, E. 1; and H. flora, Ltd., 36-38, Peckham Road, S.E. 5.
Lis.; of British and American Agrimotprs.
[4274] (Manufacturers).—The following is a comprehensive list of agrimoters of British and American manufacture. We presume that you wish to be made acquainted only with tractors, and are not concerned with the steam-engine cable-ploughing type of machine :— Ivel Agricultural Motors, Ltd., is also interested in the Ivel-Bauehe Hoe, which, we believe, is of French origin, and is also energetically pushing the sale of the Ivel-Hart tractor, an American-made machine.
You are, of course, aware of the M.O.M. agrimotor, and you have no doubt been to the Hotel. Victoria and there examined the details: You probably .alSo knew that it was to be almost identical with the Ford tractor as made by that manufacturer.