1936 Imperial Airways biplane passenger cabin.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...s_interior.jpg
Previously:
https://www.homemadetools.net/forum/...145#post126065
https://www.homemadetools.net/forum/...5623#post82221
https://www.homemadetools.net/forum/...3246#post77725
