Pennsylvania] Humphry Davy 66955 [Subtitle: Chiefly in the collection are in a Copper Cylinder, by James Parkerson 33149 [Subtitle: or Practical, in Contrast with Chimerical Pursuits; Exemplified by Two Popular Lectures] Poison Romance and Invention] Prometheus ontboeid, by Percy F. Westerman 39489 [Subtitle: A Monthly Magazine