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Aviation History
1937
1937 - 0193.PDF
JANUARY 21, 1937. FLIGHT. 71 AIRPORT CONSTRUCTION and EQUIPMENT A Guide to the Exhibits at the Exhibition and to Airport Equipment Generally Aerodrome Surface Preparation and Maintenance The En-Tout-Cas Co., Ltd. (Stand 4). Construction: See under Buildings. Sutton and Sons, Ltd., The Royal Seed Establishment, Reading (Stand 23). This firm, which has specialised in turf production for nearly a century, exhibits specimens of turf from seeds, as well as plants of individual varieties. Purity of seeds is exemplified by samples showing typical analyses as carried out at Sutton's seed-testing station. Samples are on view of the seed as har vested, the pure seed after intensive clean ing, and also the rejected material. The exhibit includes a type of germinator known as the Copenhagen tank, containing in process of germination various seeds such as are used in the formation of aerodrome turf. Soil tests by the indicator method are also demonstrated. Edward Webb and Sons (Stourbridge), Ltd., Stourbridge, Worcs. (Stand 1). This exhibit includes a collection of grass seeds and special fertilisers for aerodromes, and there is an instructive display of desir able and undesirable varieties of grasses, showing their seeds, foliage, and habits of root growth. There are also fertiliser mix tures, manufactured at Webbs' Fertiliser Works, specially compounded for production of aerodrome turf. The success of Webbs' prescriptions is demonstrated by a collection of turves pro duced from Webbs' seeds and special fer tilisers and taken from the Royal landing ground at Windsor and from various Royal Air Force aerodromes. Bradshaw Bros. (Contractors), Ltd., Groby Road, Leicester. Aerodrome preparation in all its aspects is undertaken by the aviation department of this firm, who state that they have laid down ten aerodromes during the past twelve months. They are now continuing work on the Royal aerodrome at Windsor, where they have been responsible for the whole of the work of tree-felling, clearing and levelling. J. B. Carr, Tettenhall, Staffs. Specialists in the layout of playing fields, factory sites, etc., this firm also has a well- founded experience of aerodrome construc tion, and offers free estimates for undertak ings of this kind. Colas Products, Ltd., Norman House, 105- 109, Strand, London, W.C.2. This firm specialises in cold bituminous emulsions for the construction of aerodrome runways, landing ground, hangar aprons and floors, service roads, and car parks. Specifications range from simple soil stabilisation to bituminous macadam carpets for heavily trafficked runways, etc. The former is a simple process, by means of which the natural surface material is used as the aggregate to form a uniform waterproof landing area free from the mud and dust nuisance. The other specifications are graduated in accordance with traffic demands. Hunters of Chester (Jas. Hunter, Ltd.), Chester. This firm are the inventors of the process known as " Hunterising," which produces jt'vd, solidly compact, self-draining surfaces. they possess a staff of specially trained and highly skilled workmen, and a battery of soil excavating, levelling, grading, and trans- Parting implements, which, it is claimed, is notable for its perfection of performance and magnitude of scope. / N each section in the following pages \ the Airports Exhibition exhibitors are dealt with first, alphabetically, a stand j number identifying them Each section j then concludes, again alphabetically, ; with a review of non-exhibiting firms' \ equipment. Where a firm's products \ would come unier more than one head- j ing, a cross reference is given. The \ definition of "Airport equipment" \ must of necessity be an arbitrary one, '• but every effort has been made to make \ the guide as comprehensive as possible j within the space available. Lloyds and Co. (Letchworth), Ltd., Letch- worth, Herts. This firm are pioneers in the development of gang mowers for aerodrome work, and, by practical trials and experiment, have elimin ated all the " snags" found in the early models, and have produced an outfit of very advanced design. Made of stt-el throughout, with totally en closed gears, high-tensile bolts, modern ball bearings, and, last, but by no means least, an efficient anti-choking device, Lloyds' gang mower can be used from the very start of preparing the grass surface. Ransomes, Sims and Jefferies, Ltd., Ipswich. This firm is responsible for an extra ordinarily wide range of aerodrome prepara tion and maintenance equipment, which in cludes graders, ploughs, harrows, mole drainers, ditchers, cable layers, and gang and field mowers. It is, perhaps, not generally known that these famous agricultural implement manu facturers are also designers and erectors of aerodrome hangars. They also supply the Blackburn tail trolley, which is virtually a power-driven mobile jack for moving heavy aircraft in and out of hangars, etc. The motive power is a flat-twin engine. Buildings and Building Accessories and Materials Lewis Berger and Sons, Ltd., Homerton, London, E.9 (Stand 42). The Berger exhibit consists of panels show ing finishes for the decoration of aerodrome buildings and the protection of metalwork, etc., used in their construction. The finishes shown are Pompeian " Save-a-coat " enamel paint; Matroil washable water paint de luxe; Ma tone flat oil enamel; Bergraph silicate graphite paint; Promeum silver paint (" the paint with the chromium finish "); Ferin- ium (" the paint-coat-of-mail "); Promeum paint made on a chromate base which gives absolute rust prevention; Ledquid, a famous metal primer; Hardgloss finishing paint; Maisope oil-bound washable water paint; Ace-Synthetic Pompeian enamel paint; Pom- peian semi-lustre egg-shell gloss finish; and Surfex, a plastic paint for texture decora tion. Boulton and Paul, Ltd., Norwich (Stand 2). Owing to Boulton and Paul's long associa tion with the aircraft industry, their struc tural engineering department is in a par ticularly favourable position to interpret re quirements in connection with the manufac ture and the housing of aircraft, and they are showing a series of photographs illus trating some of the work executed, the varied scope of which justifies their claim. The buildings range from hangars having a clear uninterrupted floor space of 250-ft. span, to the modest building required to house a private aeroplane. Moreover, the pictures showing work car ried out in other countries indicate that their activity is not limited to the British Isles. Cellon, Ltd., Richmond Road, Kingston-on- Thames (Stand 19). Featured on this stand are " Cerrux " decorative finishes, comprising a complete range of synthetic painting materials for decorative and protective paintwork, which have wide application in airport buildings, as is indicated by photographs on the stand. The display includes various specimens of paint work effected with these " Cerrux " synthetic materials: Filling primers in grey and red for structural steelwork; white fill ing primer for wood, metal, brick, etc.; flat undercoatings, gloss and flat finishes; gloss finishes providing a range of permanent blues and greens outstandingly brilliant in colour; satin finish and gloss undercoating; gloss finish in non-yellowing white for interior use; metallic finishes; clear varnishes; pure stainers; stopper in white and grey; and thinners. Weathered exhibits and photomicrographs of exposure tests complete the exhibit. The En-Tout-Cas Co., Ltd., Syston, Leicester (Stand 4). This exhibit consists of an office contain ing a large number of interesting photo graphs of aerodromes which have been con structed up and down the country during the past few months. The company special ises in the design, construction and layout of airport buildings and aerodrome surfaces, etc., and, in fact, everything connected with the construction of a modern airport or land ing ground. The Flight ptotograph on the next page shows the Bristol Aeroplane Company's Reserve School at Yatesbury, which was completely designed and built by this company, which also laid out the aero drome. The work was carried out during the six worst months of last winter in ex tremely quick time. Educational Supply Association, Ltd., Esa- vian House, 171-181, High Holborn, Lon don, W.C.I (Stand 22). The exhibit of the E.S.A. consists of a working model of a hangar fitted with Esavian folding and sliding doors, similar to those erected at Heston Airport, Filton Aerodrome, Bristol, and Speke Aerodrome, Liverpool. These doors are electrically operated. Full-size doors have been made 200 ft. in length and 35 ft. 8 in. high, and by means of the electrical winding gear can be opened or closed under one minute. Transparencies showing photographs of Filton and Speke will also be shown and full detailed plans will be on view. John Hall and Sons (Bristol and London), Ltd., 1-5, King's Road, St. Pancras, London, N.W.I (Stand 49). Paints for interior and exterior use on buildings of all kinds are the subject of the display of this firm. The most pppular in terior paint is " Murac " flat finish, which, as well as having a rich, " live " appear ance in spite of its flatness, is claimed to be as hard and easily cleaned as enamel, and to have durability such that the average " Murac "-finished factory interior needs repainting only once every seven years. Protection of wood and metalwork from weather is offered in a high degree by Hall's " Brolac " exterior paint, which, it is stated, is also highly suitable for machinery.
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