 Shipbuilding began on the River Frome near its mouth in Bristol at least by the seventeenth century , with Francis Baylie building warships at Narrow Quay . Tombs ' Dock was built opposite at Dean 's Marsh in 1760 , the builders including FW Green , and two additional docks were built by at Teast 's Docks in 1790 . The last shipbuilder closed in 1883 . 
