upon his fathers retirement, <pharmaceuticval industry, a history> he became the new owner and director of duncan flockhart & co. the company had a shop on north bridge in the city centre and an office and manufacturing plant at 1 constitution street in leith under the name of duncan flockhart & powell. william flockhart, the other partner, lived at 4 gayfield place at the top of leith walk. the third partner of the leith firm, frederick w. powell lived at 29 bernard street in leith, close to the factory. his father john duncan died in 1871.<pharmaceutical industry, a history>