Grainger and Miller
1823 John Miller went to work with Thomas Grainger
1825 Thomas Grainger took John Miller into partnership
The success of the Liverpool and Manchester line gave a fresh impetus to railway speculation, which extended to Scotland and induced a growth in building north of the border.
1830 Acted as joint engineers for the proposal for a line between Edinburgh and Glasgow; the application to Parliament was unsuccessful. Soon afterwards, although they continued in partnership, it was arranged, that so far as engineering was concerned each should execute his own works.
1845 Partnership dissolved