9. “Drapper” pump

“Drapper” pump used to pump over crude oil. A piston pump from the beginnings of the oil field development. It was driven by rope transmission from a “treadmill”, which drove a group of pump jacks or nodding donkeys (in fact it was not a classical treadmill but a combination of eccentric mechanism and wheel and axle machine with a number of slave wheels, driven by jerklines, transmitting drive to a group of pumps).