Box containing sixty six folders of letters and documents - one folder of letters and documents each concerning 'Pluto' 1868, 'Princess Royal' 1848 - 1867, Steam Frigate 1846, 'Vulture' 1849, 'Widgeon' 1837, Sheerness Yard 1844, 'Warrior' 1860, 'Phaeton' 1848, Engineer 1870, 'Hong Kong' 1848, 'Trent' 1822, Report on Pumps c.1780s, 'Queen' 1840, Dynamite Gun Trials, 'Prince Consort' & 'Royal Oak', Searchlight Cable 1892, Capstans 1886, 'Rover' 1874, Penetration of Guns 1876, Port of Toulon 1875, 'Ocean' 1863, Boilers 1877, Wireless Cartridges 1891, Battery Boxes 1893, 'Niobe' 1897, 'Conqueror' & 'Pearl', 'Duke of Wellington', Iron Masts, Sails & Masts, Gun Metal Castings 1895, 'Magicienne' & 'Marathon', Iron Cased Ships of England 1868, Shipbuilders 1854, First Class Turret & Broadside Ships 1867, First Class Turret & Broadside Ships 1868, 'Sane' 1872, 'Minotaur' 1861, 'Juno' 1873, 'Magpie' 1869, 'Hawk' 1869, Cruiser 1879, 'Teazer' 1850, 'Terrible' 1882, Cunard Packer 1856, 'Dasher' 1838, Tank Vessel 1864, 'Perseverence' 1854, 'Prospero' 1837, Curves for Masts 1875, 'Danae' 1874, Gunboat 1854, Lift Invention 1860, 'Inflexible' 1877, 'Banterer' 1857, 'Hague' 1850, 'Bloodhound' 1844, 'Great Eastern' 1887, Mortar Vessel 1856, Gunboats 1856, 'Abundance' 1856, 'Basilisk' 1849, 'Furious' 1848, Dover Packets Dimensions 1845, 'Inconstant' 1869, 'Centurion' 1854 and 'Cressy' 1854.