Prison reform (John Howard)--The abolition of the slave-trade ( William Wilberforce)--The amelioration of the criminal code (Sir Samuel Romilly)--Popular education (Lord Brougham)--Cheap literature (Constable, Chambers, Knight and Cassell)--Penny postage (Sir Rowland Hill)--The repeal of the corn-laws (Richard Cobden, John Bright, and C.P. Villiers)--The repeal of the fiscal restrictions upon literature and the press (Thomas Milner, Gibson and others)--The introduction of gas (Murdoch, Winsor, Clegg, and others)--The steam-engine, and its application to locomotion by land and water (Watt, Stephenson, Fulton and Bell)--The electric telegraph (Cooke, Wheatstone, and others)--Index.