[2] The Bathtub was developed by Etienne Dormoy, a French engineer at McCook Field in Dayton, Ohio as a simple low-cost and ultra-light aircraft.

The parasol wings used wood spars with fabric covering supported by steel lift struts.

[3] The Dormoy Bathtub competed in the 1924 and 1925 National Air Races, winning the Rickenbacker Trophy in 1924.

[4] An example of a 1924 Dormoy Bathtub fuselage with a Heath-Henderson engine is on display at the Motorcycle Heritage Museum in Westerville, Ohio.

[5] A large scale model of a 1924 Dormoy Bathtub is on display at the International Sport Aviation Museum in Florida.