The notebook is arranged by locomotive names, including 80 individual named engines and four numbered engines between dates 26 December 1855 and 22 December 1856. These include no's 1, 2, 17, 18, Belled [?] Will, Albion, Jason, Phaeton, Huskisson, Pearl, Emperor, Rose, Commodore, Wordsworth, Eden, Baronet, Castor, Lucifer, Clio, Fame, Menai, Salophian, Marquis, Clarendon, Pluto, Elk, Fly, Hector, Ida, Gloworm, Falstaff, Snake, Bullfinch, Centipede, Minotaur and Eagle, among others. The notebook includes loose, folded paper notes and letters, including a list of engines.