An interesting comparison between the two types of pumps is available, because a vertical spindle centrifugal pump was installed at Prickwillow on the River Lark in Cambridgeshire, alongside an existing scoop wheel.
12.
Windsor : A country-style 18th-century chair made in a variety of woods, noted for a bowed bentwood back frame with numerous vertical spindles and splayed wooden legs that fit into a slightly saddle-shaped wooden seat.
13.
The crushing action is caused by the closing of the gap between the mantle line ( movable ) mounted on the central vertical spindle and the concave liners ( fixed ) mounted on the main frame of the crusher.
14.
At the heart of these engines was Watt s self-designed " conical pendulum " governor : a set of revolving steel balls attached to a vertical spindle by link arms, where the controlling force consists of the weight of the balls.
15.
The Blackstone engine was retired but kept intact as part of the history of the district, the Crossley engine became the standby, and the Crossley enginehouse was extended to allow the installation of a Dorman diesel engine, which drives a Allen Gwynne vertical spindle pump.
