13883718

Wall Art and Photo Gifts from Mary Evans Picture Library

13883718

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

Media ID 32335658

© Aviation Ancestry

VISUAL DESCRIPTION
Featured here is "Inside Information No.4," part of a series detailing Kelvin Aircraft Instruments—this time presenting their Air Speed Indicator designed for all types except K8200, 223 & 202 models. The technical drawing breaks down how airspeed readings are obtained through pressure differences captured by the system's components—a testament to both functional design and reliability standards set forth by historic aviation instrumentation manufacturers like Kelvin Bottomley & Baird Limited.

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