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13883722
Wall Art and Photo Gifts from Mary Evans Picture Library
13883722
Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries
Media ID 32335666
© Aviation Ancestry
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VISUAL DESCRIPTION
The image presents an advertisement for the Kelvin Sensitive Aircraft Barometer used by aviators to determine barometric pressure up to approximately 45,000 feet—a crucial aspect for safe navigation and weather forecasting during flight operations. It features both graphical illustrations detailing its complex internal mechanisms and textual explanations outlining how two evacuated capsules within respond dynamically to surrounding atmospheric pressures. This visual narrative underscores Kelvin's commitment to reliability and advanced design in creating instruments that were vital tools for early aviators navigating skies less understood than today.
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