Daniel Chapman Stillson the J. J. Walworth Company in the Cambridgeport section of Cambridge, Massachusetts. While at the J. J. Walworth Company, he developed his pipe wrench. On September 13, 1870, he was issued his patent. Stillson was paid about $80,000 in royalties during his lifetime. He died on August 23, 1899, and is buried at Mount Auburn Cemetery in Cambridge and Watertown, Massachusetts. 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
Celt (tool) thus wrongly assumed to be a type of ancient chisel. Early eighteenth century antiquarians, such as Lorenz Beger, then adopted the word for the stone and bronze tools they were finding at prehistoric sites; the "OED" suggests that the imaginary etymological connection with the Celts may have assisted its passage into common use. A shoe-last celt was a polished stone tool used during the early European Neolithic for felling trees and woodworking. Celt (tool) In archaeology, a celt is a long, thin, prehistoric, stone or bronze tool similar to an adze, a hoe or axe-like tool. The term "celt" came