Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,918 pages of information and 228,821 images on early companies, their products and the people who designed and built them.
James Kynvyn or Kynfin.
Instrument maker based near St. Paul's Cathedral, and active between 1569 and 1610. Instruments included graphometers, compasses, and quadrants. The Museo Galileo (Florence) has four of his instruments, while the British Museum and the Museum of the History of Science in Oxford each have one instrument