细节
A finely engineered model Stuart 550 single cylinder horizontal engine 'Sally',
with metal clad cylinder 5/8in. bore x 1¼in. stroke, bar type crosshead guides, counterbalanced crankshaft and spoked flywheel with five rope grooves, rope driven governor linkage and valve and other details, finished in green, black, red and polished brightwork and mounted on a display base with handrails -- 12 x 29.5cm. (4¾ x 11 5/8in.)