. . . . . . . . . . "Reports of experiments on the properties of metals for cannon, and the qualities of cannon powder with an account of the fabrication and trial of a 15-inch gun"@en . . . "Reports of Experiments on the Properties of Metals for Cannon, and the Qualities of Cannon Powder, with an Account of the Fabrication and Trial of a 15-Inch Gun" . . . . . "Reports of experiments on the properties of metals for cannon, and the qualities of cannon powder; with an account of the fabrication and trial of a 15-inch gun" . "Electronic books"@en . . "Reports of Experiments on the Properties of Metals for Cannon, and the Qualities of Cannon Powder; with an Account of the Fabrication and Trial of a 15-Inch Gun" . . . .