I photographed these Ford Tri-Motor examples in Washington DC, Hood River, NAS Pensacola and Oshkosh.
The Ford Tri-Motor is at least somewhat visually similar to the three-engined Boeing Model 80 which was a biplane.
1929 Ford 5-AT-B Tri-Motor #39
Smithsonian NASM 2015
Ford 4-AT-E Tri-Motor #46
Displayed as Navy RR-5 serial A-9206