Of steamers altogether--some of them fast mail boats, some slow cargo boats--the British Empire possesses for ocean-going purposes 9,000. These are parts of the Empire just as much as the land. Therefore you must think of the British Empire as consisting of many countries, which, together, make one-fifth of all the land in the world; and you must think of it as consisting also of these 9,000 steamers upon the ocean, which, as you know, measures three-fourths of the surface of the globe. The whole Empire--lands, ships, and people--is protected by the British Navy upon the ocean, and by the Army distributed through the British lands. [Sidenote: 23. Colombo Harbour and Breakwater.] [Sidenote: 24. Colombo Harbour, North-West Breakwater in progress.] [Sidenote: 25. Colombo Harbour, Diver at work.] [Sidenote: 26. Colombo Harbour, Blockyard.] But it is not enough to have swift, comfortable ships. Deep, calm harbours are needed, where the great ships may lie close to the land and discharge their burden. Here for instance we have a monument of which British engineers may be proud. This is a view of Colombo Harbour in the Island of Ceylon where the ships gather from Calcutta, and Madras, and Rangoon before they leave the Indian seas. The slide shows the main breakwater, built upon the bed of the sea, which protects shipping from the rough waves of the south-west monsoon. And here we have another view, showing a new part of the breakwater in process of building. Observe the huge block which is being lowered by the crane into the sea. Do you note that the crane itself is movable upon wheels, which run upon two pairs of rails? Next we have the diver descending to his work, with his head in a helmet, into which air is pumped from above. He has to prepare the bed on which the great blocks of concrete are laid. Lastly, we have the blocks shown in the blockyard stored ready for use. Before we start on our voyage, we will cable to our friends in London, telling them to expect us. The electric cables are a very important part of the British Empire, although they lie two and three miles deep on the ocean bottom. Indian students and others who happen to have no friends in London are welcomed and introduced by the Northbrook Society or by the National Indian Association. The address of the first is 185, Piccadilly, London, and of the second Caxton Hall, Westminster. [Sidenote: 27. Forest Scene in Ceylon.] [Sidenote: 28. Aden from the Sea.] [Sidenote: 29. Aden, the Tanks.]