| Start - End | Name, occupation and work address |
|---|---|
| 1859 - 1871 | Jaap, John, pharmaceutical chemist |
| 1871 - 1874 | Jaap & Purdie, pharmaceutical chemists |
| 1874 - 1876 | Jaap, John, pharmaceutical chemist |
| 1876 - 1884 | McFarlane, Patrick, chemist and druggist |
| 1884 - 1888 | Keith, Alex. R., dispensing chemist |
| 1888 - 1911 | Cappell, Robert, chemist |