List of Illustrations
| The Tower Bridge, London, showing the bascules raised. | iii |
| George Stephenson. | 11 |
| “Puffing Billy,” the oldest locomotive engine in existence. | 13 |
| James Watt. | 21 |
| Edward Pease. | 27 |
| The compound locomotive “Greater Britain.” | 41 |
| Back and front view of the locomotive “Greater Britain.” | 44 |
| The “Flying Dutchman.” | 50 |
| Bell’s “Comet.” | 55 |
| Robert Fulton. | 59 |
| The ice-bound “Britannia” at Boston. | 77 |
| Isambard Kingdom Brunel. | 80 |
| The “Great Eastern.” | 83 |
| High and low pressure cylinders of the “Campania’s” engines. | 87 |
| The “Campania.” | 89 |
| Stoke Hole. | 93 |
| Promenade deck of the “Paris.” | 99 |
| Pontypridd Bridge. | 102 |
| The Post Bridge, Dartmoor. | 105 |
| Robert Stephenson. | 111 |
| The Britannia Tubular Bridge. | 115 |
| Victoria Tubular Bridge, Montreal. | 117 |
| The Clifton Bridge. | 122 |
| The Brooklyn Bridge. | 123 |
| The Forth Bridge. | 129 |
| The Thames Tunnel. | 143 |
| Boring machine used for the Mont Cenis Tunnel. | 149 |
| The entrance to the air-lock. | 155 |
| The boring machine used in the preliminary construction of the English Channel Tunnel. | 159 |