 In the early 19th century, John Jacob Astor purchased wampum from the Campbells to trade with the Native Americans of the Pacific Northwest whose beaver pelts he turned into men's hats.The best years for the wampum business were between 1835 and 1866.The drilling machine can be seen at the Pascack Historical Society Museum on Wednesdays from 10 a.m. until noon and Sundays from 1-4 p.m.