Joint Pusher
A small piece of tempered steel wire mounted in a wooden handle and used for inserting and removing joint pins.
JURGENSEN, URBAN. He was born at Copenhagen, Denmark, August 5, 1776. His father was a watchmaker to the court, and under him Urban learned the art. At the age of twenty-one he visited Neufchatel, Switzerland, where he remained for eighteen months and afterwards resided for six months in Geneva, being constantly occupied with mathematical and practical work. He afterwards went to Paris and was admitted to the houses of M. Breguet and Ferdinand Berthoud, and for some time worked under the immediate instruction of the former. He spent some time in London and then returned to Paris, and from there went to