May 1872 Issue [Article] Stolen secrets Download PDF Adjust Share by N.S. (Nathaniel Shatswell) Dodge, Subscribe or log in to continue reading. Tags Anecdotes Charles Goodyear Charles Hancock History Intellectual property Trade secrets Vulcanization More from N.S. (Nathaniel Shatswell) Dodge The astronomical year About walking-sticks and fans Rag fair Adjust Share