Daniel Chapman Stillson Daniel Chapman Stillson Daniel Chapman Stillson (March 25, 1826 - August 23, 1899) was an American inventor. He invented the modern adjustable pipe wrench. He was born March 25, 1826 in Durham, New Hampshire. He was the son of William Stillson and Nancy Chapman. He married Ellen Raynes Davis on April 18, 1855. He was a machinist during the American Civil War and served on David Glasgow Farraguts first voyage as a vice admiral. At the end of the Civil War, Stillson returned to Charlestown, Massachusetts, and eventually he moved to Somerville, Massachusetts. He then worked as a machinist at
Tool of the Trade Tool of the Trade Tool of the Trade is a 1987 science fiction/espionage novel by Joe Haldeman. In the waning years of the Cold War, Nicholas Foley, a Soviet sleeper agent and a survivor of the World War II siege of Leningrad, is a scientist and technological genius quietly working in American academia. He develops an ultrasonic gadget with which he can indetectably control the minds of others. His wife knows his secrets, but loves him too much to turn him over to Federal authorities. When both the Americans and the Soviets find out what Foley has invented, his wife