Brushes

I presume they're the brushes and slip rings of the electric pump motor, though I'm not sure what kind of motor this is, to be honest.

From wander: Docks Heritage Weekend Day Two: Underfall Yard Substation, Hydraulics, and Bristol Electricity
Taken: Sun 10 October 2021 12:38
Rating: ★★★

GPS Coordinates: 51.44685, -2.61827
Location: Cumberland Basin

Brushes
I presume they're the brushes and slip rings of the electric pump motor, though I'm not sure what kind of motor this is, to be honest.