An air-cooled three-cylinder engine made in the USA by Samuel Pierce Airplane Co, in Southampton, Long Island, NY. (Not to be confused with Pierce-Arrow, Buffalo car builder).

“3-cylinder Pierce engine”

-It was known as the Model B, and it had three air-cooled radial cylinders with 35 HP of power and a displacement of 226.19 cu. in.

-There is also information about a motorcycle engine adaptation (like Henderson).