H.M.S. "Argyll" (Plate I.) _Frontispiece_ PERSONALIA. Portraits of William Scott (born 1722, died 1769); John Scott (born 1752, died 1837); William Scott, his Brother (born 1765); and Charles Cuningham Scott (born 1794, died 1875) (Plate II.) _Adjoining page_ 1 John Scott, C.B. (born 1830, died 1903); Robert Sinclair Scott (born 1843, died 1905); Charles Cuningham Scott (the present Chairman); Robert Lyons Scott (Plate III.) _Adjoining page_ 1 THE ERA OF THE SAILING SHIP. (PAGES 1 TO 14.) The Beginnings (Plate IV.) _Facing page_ 2 Greenock and Scotts' Yard in the Eighteenth Century (Plate V.) _Facing page_ 4 A West Indiaman 7 A Typical East Indiaman 9 The "Lord of the Isles" (Plate VI.) _Facing page_ 10 The "Archibald Russell" (Plate VII.) " " 12 THE DEVELOPMENT OF THE STEAMSHIP. (PAGES 15 TO 42.) Early Steamboats at Greenock, 1820 (Plate VIII.) _Facing page_ 16 The "City of Glasgow" (Plate IX.) " " 20 A Side-Lever Engine of 1831 23 An Engine of 1832 25 Scotts' First P. and O. Liner, the "Tagus" (Plate X.) _Facing page_ 26 Type of Side-Lever Engine of 1840 29 Double-Geared Engine for Early Atlantic Liner 32 A Pioneer in Water-Tube Boilers (The Rowan Boiler) 35 High-Pressure Machinery in the "Thetis" (Plate XI.) _Facing page_ 36 The Machinery of the "Achilles" 38 General Arrangement of the Machinery of the "Achilles" (Plate XII.) _Facing page_ 38 The "Achilles" of 1865, off Gravesend (Plate XIII.) " " 40 A CENTURY'S WORK FOR THE NAVY. (PAGES 43 TO 62.) Model of H.M.S. "Prince of Wales," 1803 (Plate XIV.) _Facing page_ 43 The Launch of the First Clyde-Built Steam Frigate "Greenock," 1849 (Plate XV.) _Facing page_ 44 Machinery in H.M.SS. "Hecla," and "Hecate" 1839 (Plate XVI.) _Facing page_ 46 Machinery of H.M.S. "Greenock," 1848 48 Machinery of H.M.S. "Canopus," 1900 49 H.M.S. "Thrush," 1889 (Plate XVII.) _Facing page_ 50 Engines of H.M.S. "Thrush," 1889 (Plate XVIII.) 52