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Aviation History
1939
1939 - 0656.PDF
io FLIGHT. ADVERTISEMENTS. MARCH 9, i93g X-RAY In highly stressed parts a hidden defect in an apparently sound casting may be of vital importance. The avoid ance of such defects is a question of adjusting many variable foundry conditions in their correct relation ship for each individual job—a matter of experience and careful judgment. In tricky cases it is better to verify even the most skilful judgment. This we can do by X-Ray examination. Facilities of this kind represent definite value to our customers. WILLIAM MILLS LTD. FOUNDERS IN ALUMINIUM ALLOYS GROVE STREET • BIRMINGHAM * Eloquent testimony to the efficiency of G.E.C. equipment for airports is found in the fact that its use has become standard practice throughout most of the Empire Flying Routes. LIGHTING EQUIPMENT G.E.C. FLOODLIGHTS, BOUNDARY LIGHTS, BEACONS, WIND DIRECTION INDICATORS, WIND SPEED INDICATORS, OBSTRUCTION LIGHTS, FLUSH MARKER LIGHTS, CONTROL DESKS, OSRAM LAMPS. G.E.C. engineers are at your service to advise and assist m any matter concerning aerodrome electrical equipment Write to the Exterior Lighting Dept. THE GENERAL ELECTRIC CO. L™* Head Office : Magnet House, Kingsway, London, W.C.j Branches throughout Great Britain and in all principa' market: ot tte wo
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