The Telegraph has published a short picture gallery of milestones in the first 100 years of commercial aviation, which began in 1914 when a scheduled air service was established between St. Petersburg and Tampa in Florida.
Farman F.60 Goliath airliner, 1919
Ellen Church, world’s first female flight attendant
Boeing 314 Clipper flying boat in 1939 (see also Weekend Wings #23)
There are more images at the link. Interesting viewing for aviation history buffs.
Peter