13883699

Wall Art and Photo Gifts from Mary Evans Picture Library

13883699

Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries

Media ID 32335628

© Aviation Ancestry

VISUAL DESCRIPTION
This is a vintage advertisement for Kelvin aircraft instruments, specifically promoting the Kelvin Cabin True Airspeed Indicator. The ad headline reads "What's new in Instruments No. 2" followed by a bold statement "TELL YOUR PASSENGERS THE TRUTH. " It highlights the instrument's capability to correct for decreasing density of atmosphere as altitude increases, ensuring accurate airspeed readings. The image within the ad shows two individuals inside an airplane cockpit; one appears to be a pilot or co-pilot operating the controls while consulting an instrument panel, and another person is seated behind with paperwork, possibly performing navigational duties or monitoring flight data. The text provides technical details about the product including its features like temperature correction based on radio beam (R. C. A. /N. D. B. conditions) and availability in three ranges with easy-reading 4-inch dial in combined metric and English scales: - KB 208/1: 50-500 Knots or 100-900 Km. per hour - KB 209/1: 60-600 m. p. h. or 100-900 Km. per hour - KB 210/1: further particulars on request At the bottom of the ad are large letters spelling out "KELVIN AIRCRAFT INSTRUMENTS, " described as "proven in reliability ahead in design, " followed by the manufacturer's name and location: KELVIN BOTTOMLEY AND BAIRD LIMITED - BASINGSTOKE.

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