The hamlet of Pirnmill on the west coast of Arran derives its name from the mill set up by the Clark family of Paisley for the production of bobbins or pirns. The photograph above shows the pirn mill itself after it became Currie’s grocer and general merchants. With the advent of the steamboat, Pirnmill became a calling point, served by a ferry-boat. It was the Campbeltown and Glasgow Steam Packet Co. that opened up the trade and included the ferry stop in its itinerary, and for many years this was the only regular stop on the west coast of Arran. In the 1860s, the steamboat Herald was placed on a new route to Campbeltown from Fairlie and it called at the ferries of Pirnmill, Machrie and Blackwaterfoot, favouring the Arran shore of the Kilbrannan Sound rather than Carradale and the Kintyre shore. Indeed the calls at Blackwaterfoot and Machrie were also made by the turbine steamers...