"Counting 'cash' in the days before copper and silver coins were minted. The brass cash had square holes, and were strung in units of 100, ten of which made a 'tiao', the rough equivalent of a dollar. The 2 young men in the photo, Kung and Pao, came with a third, Tai, to OTL [Oliver Tracy Logan] soon after his return in 1901, and asked to be trained in Western medicine. After a sort of apprenticeship in the old hospital, they were sent to medical school, were graduated, and returned to join the staff in Chanteh [now Changde]. Dr. Pao, (right) was with OTL [Oliver Tracy Logan]at the end and was heartbroken that he could not save him." Captions for this set of lantern slides from the papers of Oliver and Jennie Logan, American Presbyterian missionaries in Hunan, were provided by their daughter Elsa.