Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,699 pages of information and 232,163 images on early companies, their products and the people who designed and built them.
1749 Two Englishmen, Samuel Garbett and John Roebuck, approached William Cadell, Senior to set up sulphuric acid works at Prestonpans. They built a factory there and, for some years, they enjoyed a monopoly. Eventually their methods became known, and, having omitted to take out patents, they were unable to prevent others making use of them.
1765 Advertisement for Samuel Garbett and Co for the Carron Wharf 'cheap carriage of merchandise from Glasgow....with commodious warehouses'. Lessees of Carron Harbour and Salt Pow. Sailings to Leith, Dundee, Perth, Arbroath, Montrose, Banff, Inverness and Newcastle. 
1766 The Prestopans Oil of Vitriol Works were until this year in joint ownership of Roebuck and Garbett but became Samuel Garbett and Co from this date. The works appear to have closed around 1787.