THE CONCLUSIONS of the report ‘Lubrication (Tribology)’—better known as the Jost report— were meant to act as a bucket of cold water to bring industry round to the realisation that it was losing vast amounts of money annually due to various malpractices in the art of lubrication and the resulting consequences. The not inconsiderable financial loss mentioned resulted primarily from three sources; maintenance and replacement costs, losses consequential upon breakdown and increased investment required because of reduced machinery life.