Handwritten Reservation Memorandum from the mid-1930s shows painstaking procedure that is a far cry from today's modern electronic system. Larger image
DC-3-era Pennzoil motor oil can features 1937 photograph of brand-new "Mainliner 180" (United's marketing designation for its DC-3 fleet). Larger image
Fancy "burp cups" carried aboard Boeing 247 and Douglas DC-3 aircraft were handy aids for passengers who felt airsick during bumpy rides in unpressurized aircraft. Larger image
Plastic tray complemented plastic dinnerware used for meal service on Boeing 247 flights in the mid-to-late-1930s. Plastic soup/salad bowl and bread plate were part of the inflight dinnerware during the era of Douglas DC-3 transport. Larger image
Complimentary cigarettes from metal containers such as this Lucky Strike tin from the DC-3 era were among inflight amenities offered from the mid-1930s through the early 1940s. Larger image
