A.C. Gilbert Heritage Society - Member Modelshome Engines 2 1/2 Erector Windmill 4 1/2 Erector Windmill 6 1/2 Erector Windmill 10 1/2 Erector Windmill Dual Flywheel Power Plant Sidewinder Power Plant Type I Engine Walking Beam Engine Locomotive, 4-8-4 Quad Arm Walking Beam Engine Dual Cylinder Engine Dual Flywheel Walking Beam Engine Dual Cylinder Engine with Large Flywheel One Cylinder Engine with Dual Flywheel #12 Walking Beam Engine Hudson Locomotive Windmill, Fred's Hudson and Tender Giant Power Plant Windmill, Bill's Steam Plant Power Plant Mobile Steam Plant Truck with Oscillating Type Engine