Preston, William snr and jnr, Tower St, Seven Dials, London, cms and brokers (1805–10). In February 1805 took out insurance cover of £500 of which £400 was in respect of utensils and stock. By April 1810 total cover had risen to £650 though stock remained at the same valuation. In 1810 mention is made of a warehouse behind 15 Tower St. [GL, Sun MS vol. 431, ref. 772657; vol. 453, ref. 844485]