The working pump jack replica is powered by a single aa battery and have an on off push button on the top side of the base.
Oil field pump jack scale model.
Over 300 unique oilfield gifts in stock.
Oilfield derrick and pumping unit are made from brass and then gold plated.
The technology is simple typically using a parallel bar double cam lift driven from a low power electric motor although the number of pumpjacks with stroke lengths 54 inches 1 4 m and longer being used.
Sep 4 2018 oilfield pump jack working scale model chrome or gold plated.
Oil well oilfield gold pump jack model gift music box.
Guaranteed by wed sep.
12 product ratings 1 48 o gauge scale replica oilfield oil pump jack rig die cast pencil sharpener.
Timber kit wooden oil field pump jack model kit.
These oilfield derrick lamp gifts also have a working pump jack scale model with tank battery.
Or best offer 15 05 shipping.
The scale of the technology is frequently smaller than for an oil well and can typically fit on top of an existing hand pumped well head.