Joseph Brown of Gracechurch Street proposed Socy for Const Info 5.4.1782 by John Horne Tooke 2nded Edward Hall.
Listed in directories 1778-1783 as a wholesale mercer of Gracechurch St, declared bankrupt 6.1.1783 as merchant of Gracechurch St, certificate 22.3.1783 final dividend 1791. Hard to track because there were so many Joseph Browns but he might have been the JB mercer at 370 Oxford St SunFire 1794, 1800 and/or JB silk mercer, partner George Hubbard, 14 Henrietta St Covt Gdn SunFire 1814 to 1823 and 234 Regent St from 1825