Theodore Carder Photos Below you can view more photos of several model engines and machines built by Theodore Carder. Click on images to enlarge. Five Hammer Mill Steam Roller Engine Punch Press & Launch EngineThis miniature punch press can be driven by the accompanying launch engine. Punch Press & Launch Engine Rocking Valve EngineA miniature rocking valve engine built by Theodore Carder. Reciprocating SawThis small reciprocating saw is functional. Shay Locomotive Shay Locomotive Shay Locomotive Shay Locomotive Gear Go-Round Gear Go-Round Gear Go-Round Gear Go-Round Square Piston Engine