Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,143 pages of information and 233,396 images on early companies, their products and the people who designed and built them.
1856 Improved machine for drilling, grooving and slotting
1855 Patent. '2392. To Thomas Beatt Sharp, of the city of Manchester, Engineer, and Richard Furnival, of the same place, Foreman, for the invention of "certain improvements in machinery for drilling, grooving, and slotting."