In 1863 in Pennsylvania, small - diameter wooden pipelines were built for transporting oil, as they were cheaper and less cumbersome to use than 42 - gallon [159 L] barrels moved on horse carts.
Aastal 1863 ehitati Pennsylvaniasse väikese läbimõõduga puittorujuhtmed, sest nende kasutamine osutus odavamaks ja hõlpsamaks kui umbes 160 - liitriste vaatide hobuvankritel vedamine.