 sun01.jpg Former Sun Oil headquarters near Leeco |
 sun02.jpg One-cylinder natural gas-powered Frick engine typical of early central power and rod line pumping systems |
 sun03.jpg Drive gear and eccentric |
 sun04.jpg Flywheel, cylinder, and eccentric |
 sun05.jpg Cylinder liner and governer |
 sun06.jpg Detail of cam shaft |
 sun07.jpg Flywheel and governer |
 sun08.jpg The eccentric (and Sam Pees, oilfield historian) |
 sun09.jpg Top view of eccentric showing stacked eccentric with multiple rod linkage points |
 sun10.jpg Field post used to support rods and amplify (or reduce) pumping action |
 sun11.jpg Jones jack |
