Patrick Coad, patentee of the galvanic battery, and interesting miscellaneous items
...inding aid will soon be available. Patrick Coad, undated Patrick Coad (1783-1872), an Irish immigrant who settled in Philadelphia, was the first American patentee of a graduated galvanic battery with insulated poles. Coad was a noted teacher and lecturer of medicine and the natural sciences, but gained wider notoriety after
Other resources/repositories
...PA Chester County Historical Society Bucks County Historical Society Delaware County Historical Society Pennsylvania Division of Vital Records The Pennsylvania State Archives Useful links Catholic Research Resources Alliance The Vatican Catholic History Links Catholic Online Directory Pope John Paul II Cultural Center New Advent/Catholic Encyclopedia The Hierarchy of the Catholic
Newspapers & Periodicals
...d in 1886 to collect material documenting the history of Catholicism in the United States. Search the collection via our online catalog. ...