Martin company since 1937.
Oil field pump jack scale model.
Oilfield derrick and pumping unit are made from brass and then gold plated.
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.
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.
Or best offer 15 05 shipping.
Wood trick oil derrick rig toy oil pump jack mechanical model to build 3d wooden puzzle assembly toys stem toys for boys and girls 4 3 out of 5 stars 141 31 90.
Timber kit wooden oil field pump jack model kit.
Wood trick oil derrick rig toy oil pump jack mechanical model to build 3d wooden puzzle assembly toys stem toys for boys and girls 4 3 out of 5 stars 144 31 90 31.
12 product ratings 1 48 o gauge scale replica oilfield oil pump jack rig die cast pencil sharpener.
These oilfield derrick lamp gifts also have a working pump jack scale model with tank battery.
Oil well oilfield gold pump jack model gift music box.
Over 300 unique oilfield gifts in stock.