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
Hive tool Hive tool A hive tool is a handheld multipurpose tool used in maintaining and inspecting beehives. Hive tools come in multiple variants and styles, and is intended as an all-in-one tool for beekeepers. Hive tool is the third most essential tool for the beekeeper after the beekeeping veil and bee smoker. There are two types of hive tool in common use - the plane hive tool and J-type hive tool. The plane hive tool has a box levering edge and a frame levering edge. The J-type hive tool also has a box levering edge, but on the other side is