Article David Williams; David Harding (2018)
The Enfield Lock Barrel Mill of 1815 and Moves to Replace Musket Barrel Grinding by Turning c1780 to c1840. Arms and Armour Society Journal (pp. 22-57). (/isis/citation/CBB133055425/) unapi

Article Schiøler, Thorkild (1986)
Power Adjustment before James Watt. Polhem: Tidskrift för Teknikhistoria (pp. 191-201). (/isis/citation/CBB278785712/) unapi

Article Peter Latta (1985)
The Lower Cove Grindstone Quarries (Research Note). IA. The Journal of the Society for Industrial Archeology (pp. 67-72). (/isis/citation/CBB296154704/) unapi