An Unwin & Rodgers’ advertisement provided an establishment date of 1820. The earliest artefact evidence dates from the activities of James Rodgers (c.1758-1829), who apparently established James Rodgers & Co. Neither James Rodgers nor his firm were listed in directories, but razors with that company name and the date 1825 have survived. Certainly, James Rodgers was joined by Philip Unwin (1800-1878). In 1825, the latter was listed alone as a pen knife manufacturer in Green’s....