This engine manufacturer was based in Greenock at the Greenock Foundry. In addition to producing marine engines the company also manufactured locomotives for the Caledonian Railway and Scottish Central Railway.
These locations are along the line.
This was a foundry and engine works on the south side of the Glasgow, Paisley and Greenock Railway bounded to the east by the Carts Burn. It was the engine works of Scott, Sinclair & Co. (The engine works of Scotts Shipbuilding & Eng Co Ltd.)
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