Britannica
Sources used in this answer
What did James Watt invent during retirement at Heathfield Hall?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
James Watt
James Watt, oil painting by H. Howard; in the National Portrait Gallery, London.
During his long retirement at Heathfield Hall, James Watt continued to work in a garret he had equipped as a workshop. In this space, he invented a sculpturing machine that he used to reproduce original busts and figures for his friends.1