sentences:  The company became known as Nettlefold and Chamberlain when Chamberlain became a partner with Joseph Nettlefold.During the business's most prosperous period it produced two-thirds of all metal screws made in England, and by the time of Chamberlain's retirement from business in 1874 it was exporting worldwide.In July 1861, Chamberlain married Harriet Kenrick, the daughter of holloware manufacturer Archibald Kenrick, of Berrow Court, Edgbaston, Birmingham; they had met the previous year.