This Detroit factory was owned by Joseph Lowthian Hudson. Automobile manufacturer.

“Hudson logo”

-During WWI and in full industrial effort, the Liberty-engine manufacturing distribution came to Hudson with the construction of four-cylinder engines.

“Hudson Liberty L-4”

“Another view of the L-4”

-It is believed that only four units were built.

-They were intended for trainer-aircraft. (see Liberty). The denomination was L-4.