Advance 30 HP Cross-Compound Steam Engine: A Story of Finds and Friendship

Clyde E. Corley and the "Strawberry" Engine

The Advance 30 HP cross-compound, serial no. 11574, (the left-hand side is shown here) at Pioneer Power Days in Lewistown, Mont., June 8, 2002. This is the only 30 HP cross-compound known to exist.