Complex sentence: So many orders for locomotives were received that Robert proposed in 1831 to open a second locomotive works and after it was agreed that the Stephenson name would not be attached to any other works what to become the Vulcan Foundry was developed at Newton-le-Willows.
Split into simpler sentences: So many orders for locomotives were received that Robert proposed in 1831 to open a second locomotive works. It was agreed that the Stephenson name would not be attached to any other works, and what was to become the Vulcan Foundry was developed at Newton-le-Willows.