@SFOMuseum Instagram Posts Tagged mainliner This is SFO Museum's archive of the @SFOMuseum Instagram account. There are 2 posts . See all the tags or all the Instagram posts that have been archived so far.

In addition to showing the interior of a Douglas DC-3, this United Air Lines promotional print from the 1940s states: “This picture shows the inside of the cabin of a Mainliner. This image was posted on October 11, 2019. #avgeek #mainliner #united #dc3