This from a " manual prepared in 1930" which " included the following instructions" -
1. Remember at all times to retain the respectful reserve of a well trained servant.
2. Capitains and cockpit crew will be treated with strict formality while in uniform. A rigid military salute will be rendered the Captain and co-pilot as they go aboard
3. Punch each ticket at each point passed.
4. Tag all baggage and check it on board.
5. Use a small broom on the floor prior to every flight. Check the floor bolts on wicker seats to ensure they are securely fastened down.
6. Swat flies in cabin after take off.
7. Warn passengers against throwing lighted smoking butts or other objects out of the windows, particularly over populated areas.
8.Carry a railroad timetable in case the plane is grounded somewhere. Stewardesses are expected to accompany stranded passengers to the railroad station.
- from Flight, the Complete History, Smithsonian