细节
A well engineered model Stuart Double 10V twin vertical cylinder stationary engine built by V. Naylor with brass bound wood lagged cylinders ¾in. bore x ¾in. stroke, (one valve chest cover plate missing), hand lever operated Stephenson's link reverse, gear and eccentric driven feed pump, disc flywheel, cast bed and wood plinth, finished in green and polished brightwork -- 6 x 8in. (15.2 x 20.3cm.)