As a self-made man in a new industry, Rockefeller wasn’t stultified by precedent or tradition, which made it easier for him to innovate. He continued to value autonomy from outside suppliers. At first, he had paid small coopers up to $2.50 for white oak barrels before he showed, in an early demonstration of economies of scale, that he could manufacture dry, tight casks more cheaply himself; soon his firm made thousands of blue-painted barrels daily for less than a dollar per barrel. Other Cleveland coopers bought and shipped green timber to their shops, whereas Rockefeller had the oak sawed in
...more
