A demonstration pump,

细节
A demonstration pump,
with rack and pinion motion, signed F. Steflitschek Wien, with lacquered-brass fittings, wood construction, with demonstration mirror and handle, mounted on an ebonised stand -- 16in. (42cm.) high; and a demonstration locomotive piston motion with painted back plate and burnished steel mechanism with winding handle -- 32in. (82.5cm.) wide

See Illustration