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Napier and Pesco pumps; a general chapter on air-conditioning and cabin pressurizing, including several pages on the Stewart-Warner and Janitrol combustion heaters; a description of the Min neapolis-Honeywell cabin temperature control Precise Measurement — Space Travel — Fluids and system in the D.C.4; and a chapter on metal bellows for pressure detectors and indicators. The Pneumatics — a Reference Book material is largely a recapitulation of the respec tive manufacturers' technical literature and, as such, is useful for reference, particularly as many of the maker's illustrations have been repro Engineering Metrology. By K. J. Hume. [Mac- journeys at great altitudes from and around the duced. donald & Co. Ltd., 43 Ludgate Hill, E.C.4. earth; the second is a series of sixteen scenes from The third book, unlike the other two, sticks to lis.] an imaginary moon trip; while the remainder, one comparatively limited aspect of the subject, almost half, are paintings of the planets compiled but thoroughly covers the range of air compressors Engineering metrology, or dimensional Meas- from astronomical knowledge as it exists today. for many duties. The book does not, of course, urement in engineering as it may otherwise be The last-named are, to our thinking, quite the termed, is a subject which has become of in- deal with airborne compressors, but is confined most intriguing part of the book. The colourful creasing importance to production engineers to a severely practical study of their use in the scenes are so plausibly presented that it is difficult during the past fifteen years or so. This has been factory. A well-written text, ably amplified by to realize that they are, in some cases, constructed recognized by the Institutions of Mechanical and excellent line drawings and photographs, serves from the slenderest of evidence. There is one Production Engineers and it is now include as to describe the problems of installing the various curious, unexplained inclusion, and that is a very a subject in their Associate Membership examina- types of air system that have become indispens lovely picture of the double star Mira as seen tions, and also for the Higher National Certifi- able in the modern factory. from a possible planet—this picture is unique cate. Up to the present time, however, books because all the others deal with subjects within dealing with the subject have been few, and the Aircraft Designer's Data Book. By Leslie E. the solar system. above book is a welcome acquisition to the Neville. [McGraw-Hill. 855.] number, as it provides an up-to-date survey of The text is of a fairly elementary nature and In his introduction, the author of this book a subject in which progress is rapid. Mr Hume is probably contains little for the interplanetary explains that the American technical press has well qualified to write on the subject as, in addi- enthusiast, although it is of interest to the ordinary always suffered severely from the geographical tion to his experience in his present post as technical reader. There are numerous facts about concentration of the American aviation industry Metrology Superintendent of the de Havilland the solar system that are not readily obtainable, on the eastern and western seaboards. He it was, Engine Co. Ltd., he has had a number of years' while the information on rocketry is also useful. while editor of Aviation, who started in 1929 the experience in the Metrology Division of the There is considerable inconsistency and incom- series of design detail sketches that eventually National Physical Laboratory and at Hilger pleteness in this descriptive matter and the became, after many vicissitudes, Aviation's Sketch and Watts Ltd. irritation of the non sequitur is not absent. Failings book. Firmly convinced of the supremacy of the apart, however, this book is very good value and Perspective sketch as a medium for conveying Turning now to the book itself one can say contains an astonishing number of illustrations technical information concisely and without that it is well written and very well illustrated, for the money. ambiguity, the author continued to develop this and is extremely good value at the, nowadays, work despite the high cost that was so greatly modest price of 18s. The book is intendeq for J. H. S. enhanced by travel difficulties. production engineers concerned with precise THREE BOOKS ON AIR AND measurement as well as for technical college The present volume is a selection from pre FLUID SYSTEMS students. The scope covered is wide, and includes viously published material. Although we would the affiliated subjects of Limits and Fits, Screw Fluid Pressure Mechanisms. H. G. Conway like to commend it highly, for we are in complete Thread Standards, Limit Gauging Practice [Pitman. 25s.] accord with the author's views, we must say that Limit Gauge Manufacture, etc. in addition to Air Systems for Aircraft. C. A. H. Pollitt it is much more a scrapbook than a data book. the purely metrological branches such as Stand- [Pitman. 25s.] Although the material in its 530 large quarto ards of Measurement, Optical Projectors and pages has been grouped under component head- Air Compressors, Control and Installation. Microscopes, Angular and Linear Measurement, ings it is, nevertheless, a somewhat random P. C. Bevis [Pitman. 20s.] Measurement of Straightness, Flatness and collection of sketches and notes about a fairly Squareness, Alignment Testing, Screw Thread These three books have common denominators large number of aeroplanes—American, British Measurement, Surface Finish, etc., and last but in both their publisher and their general subject and German—none of which is very new. It is not least, a valuable chapter on Gauge and Instru- matter, although each presents an entirely differ- much the type of collection that any good ment Design. ent approach to the subject of pneumatics as engineer will accumulate over a period of years applied to aircraft. In view of the very wide scope covered, the in his folder of cuttings from the aeronautical author has dealt very well with the mass of The author of the first book, Mr H. G. Conway, press. In fact, looking through it, we could not is a fluid engineer of many years' experience who information available to incorporate as much as help feeling what a useful book we could make has, as our readers know well, a gift rare among he has done within the 280 or so pages of the up from the files of AIRCRAFT ENGINEERING! practical engineers of expressing himself in print book. One questions the advisability, however, of Perhaps the best part of the book consists of the as clearly and to the point as he does verbally at a using valuable space to give the basic principles photographs and drawings, both perspective and conference. Drawing upon his wide knowledge of elementary trigonometry and algebra. A part engineering, of different mechanisms, such as of hydraulic and pneumatic system design for from this minor criticism one has no hesitation undercarriages, and the wing structural drawings. in recommending this book. aircraft he has written a most comprehensive This book, although very expensive, would be a book about the machinery of such installations— useful addition to any aircraft manufacturer's L. W. N . although it should be clearly understood that reference library. J. H. S. there is no question of the matter being solely The Conquest of Space. By Chesley Bonestell and applicable to the aeronautical industry. Willy Ley. [Sidgwick and Jackson. 18s.] The book is, in effect, something of a catalogue, Although we, personally, cannot credit the BOOKS RECEIVED for it deals first, component by component, with possibility of interplanetary travel, that is to say the units that go to make up a fluid system and , All books received from Publishers are listed under journeys to predetermined destinations, we admit this heading. Extended reviews of a selection appear then goes on to outline the main features of that 'escape' from this planet is within sight. later. Inclusion in this list, therefore, neither precludes, various types of system. The subject matter is However, more learned heads than ours appear nor implies, in any particular instance, further notice. strictly limited to the mechanics of both the units to be convinced of the practicability of, at least and the systems, the author having severely dis- Cams and Springs for Poppet Valves. W. H. Lee. regular 'out-and-home' trips to the moon in our Paper bound, 42 pages, illustrated. [Emmott & ciplined himself into avoiding any discussion of lifetime. But whatever one's opinions of the Co. Ltd., 31 King Street West, Manchester, 3.] details or of manufacture. Some five hundred possibility—or desirability for that matter—of Your Future in Aircraft Engineering. Booklet, illus- devices are covered and the concise, lucid text is trated. [S.B.A.C, 32 Savile Row, W.l. Free.] space travel this is a fascinating book. It in reality made even more clear by several hundred excel- The Forty-third Annual Report of the Governing Body forms two books in one: the illustration of lent diagrams. of the Imperial College of Science and Technology. Chesley Bonestell and the text of Willy Ley. The author of the second book has included a Booklet. [Imperial College of Science and Tech- The paintings—there are forty-eight—are re- very varied selection of items in one hundred and nology, Prince Consort Road, S.W.7. Free.] produced in co/our and in half-tone. The artist, Mechanical World Electrical Year Book 1951. 357 fifty-odd pages: the Hymatic pneumatic system who was at one time an architectural illustrator pages, illustrated. [Emmott & Co. Ltd., 31 King and equipment; the Dunlop brake and gun-firing has prepared them with a rare combination of Street West, Manchester, 3.1 systems, together with some of their other imagination and painstaking accuracy both in American Aviation World-Wide Directory, Autumn, pneumatic units; the Teddington radiator-flap perspective and in the astronomical details. There 1950. Paper bound, 651 pages. [American Aviation and supercharger controls; the Boeing B-29 Publications Inc., 1025 Vermont Avenue, N.W., are three series of pictures: the first depicts rocket 'snap-opening' bomb door circuit; B.T.H. Washington 5, D.C., U.S.A.] May 1951
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: May 1, 1951
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