Joseph Bramah's screw propeller, 1785

Bennet Woodcroft's spiral propeller, 1832

John Donn's fishing boat, about 1836

Higginson's mode of shipbuilding, 1838

Isaac Dripps's screw propeller, 1840

Joseph Francis's 1841 life boat

Samuel Swett, Jr.’s crank paddle, 1841

Joseph Francis's wood-boat building method, 1841

Patent model for lining vessels constructed of iron, 1842

Frederick Sickel's steam steering gear patent model, 1853

Joseph Francis, man-of-war cutter, 1846

Joseph Francis, stamping dies, 1846

Abraham Lincoln, buoying vessels over shoals, 1849