Lower* Wa.ll Street in. 1797TBy ELMO SCOTT WATSON 7^- ~7| HK names of Thaddeus Kosciusko and Casimir 9 Pulaski, the two Polisli1 M soldiers who fought In theV Revolution, are familiar to9 most citizens of tho Unit-H ed States, hut it is doubt*^ ful if the name of anotherV———J f’ole, Hay in Salomon,’ means anything to more than one out of a thousand Americans. Yet his contribution to the cause of American liberty may in some respectsBritish posts and British guard methods to escape from the city.At any rate he next appeared In Philadelphia and there the most important part of his career began. Although he was penniless, he still had his native energy and his knowledge of commerce and finance. So he immediately opened an office and began to deal in bills of exchange and other securities. By this time France had come into the war on the side of the Americans and French money was coming into the country. Philadelphia ,wns not* An!v thn pnnifnl rtf tha I