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13883703
Wall Art and Photo Gifts from Mary Evans Picture Library
13883703
Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries
Media ID 32335630
© Aviation Ancestry
VISUAL DESCRIPTION
This vintage advertisement showcases the Kelvin Maximum Safe Airspeed Indicator, a critical instrument for pilots in an era when aviation technology was rapidly advancing. The ad emphasizes the device's ability to provide direct knowledge of airspeed conditions without calculation, ensuring pilot safety through immediate visual feedback. A secondary pointer linked to an altimeter mechanism indicates the maximum safe airspeed at varying altitudes, with clear warnings not to exceed these limits during flight. This black-and-white image captures the essence of mid-20th-century aerospace engineering and marketing, highlighting Kelvin Bottomley & Baird Limited's commitment to reliability and design innovation in aircraft instrumentation.
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