13860509

Wall Art and Photo Gifts from Mary Evans Picture Library

13860509

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

Media ID 32304396

© Aviation Ancestry

VISUAL DESCRIPTION
In this classic advertorial piece, we see the Miles Marathon airplane—a post-war civil aircraft—boasting its use of advanced Hymatic equipment. Highlighting two onboard compressors that ensure efficient cabin pressurization and air conditioning systems, it illustrates how critical these technologies were for passenger comfort and safety during flight operations at high altitudes. This ad serves not only as a promotion but also as an educational snippet about aviation mechanics from a historical perspective.

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