On 30 June 1740, he was hired as an apprentice by Edward Mountenay, a jewellery goldsmith established on Foster Lane near the Goldsmiths' Company of London.
30. júna 1740 bol najatý ako učeň Edwardom Mountenayom, zlatníkom so sídlom na Foster Lane blízko Worshipful Company of Goldsmiths v Londýne.