Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,155 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
The Royal Society of Edinburgh is Scotland's national academy of science and letters. It is a registered charity, operating on a wholly independent and non-party-political basis and providing public benefit throughout Scotland. Established in 1783, it has since then drawn upon the strengths and expertise of its Fellows, of which there are currently more than 1500.