Before reaching t hat goal he took his bachelor's degree in science as well as in arts at the Besan?on college. 李贝.西洋科学史.
Large works are in operation at Besan?on, in France, producing 7,000 pounds per week, and it is said that the plant is to be increased to a capacity of 2,000 pounds a day. Edward W. Byrn.十九世纪发明进展.