Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,111 pages of information and 233,634 images on early companies, their products and the people who designed and built them.
[[Image:JD 2013 OMoHS09.jpg|thumb|On left: ellipsograph designed by Joseph Clement and made by Holtzapffel and Deyerlein, 1819. On right: Farey's ellipsograph made by W. and S. Jones, c.1815
Broad Street, Oxford, Oxfordshire, OX1 3AZ.
A superb collection of early scientific instruments displayed in 'the world’s oldest surviving purpose-built museum building', the Old Ashmolean.