Story of Lubricating Oil, The R2 of 2

1924 - Petroleum, USA: Lubricating Oil The R2 of 2 Removing petroleum from heavy oil. Animated graphic showing chilling coils in still. 01:43:13 Alternative method of separation - centrifuge. Steam still. Pour test to determine lowest temperature at which oil will flow. 01:44:37 Woman performing Flash Test to ignite oil. Viscosity test measuring time to flow through opening, all carried out in laboratory conditions. 01:46:01 Removing 4 cylinder head from engine block to discover amount of carbon deposited on piston heads, then weighing residue. Scientists work in laboratory. 01:47:50 Cold room where oil is checked in freezing temperatures & motor is running. Test for lubricating properties w/ special transparent bearing. 01:49:35 Oil barrels & cans filled for shipment. Making grease which is a mixture of lubricating oil & soap. Heavy machinery & various types of engines. 01:52:59 Steam train being lubricated & under way. Petroleum Industry; Oil Refinery; Standard Oil of Indiana; Promotional Educational Film; 1920s;