Injector Used on Locomotives 117 Sections of a Locomotive Cylinder 118 Eccentric 118 Eccentric and Strap 118 Valve Gear 119 Turning Locomotive Tires 121 Six-wheeled Switching Locomotive 122 Mogul Locomotive 123 Ten-wheeled Passenger Locomotive 123 Consolidation Locomotive (unfinished) 124 Consolidation Locomotive 124 Decapod Locomotive 125 "Forney" Tank Locomotive 126 "Hudson" Tank Locomotive 127 Camden & Amboy Locomotive, 1848 129 Cab End of a Locomotive and its Attachments 133 Interior of Erecting Shop, showing Locomotive Lifted by Travelling Crane 137 Forging a Locomotive Frame 138 Mohawk & Hudson Car, 1831 139 Early Car 139 Early Car on the Baltimore & Ohio Railroad 140 Early American Car, 1834 140 Old Car for Carrying Flour on the Baltimore & Ohio Railroad 141 Old Car for Carrying Firewood on the Baltimore & Ohio Railroad 141 Old Car on the Quincy Granite Railroad 141 Janney Car Coupler, showing the Process of Coupling 142 Mould and Flask in which Wheels are Cast 143 Cast-iron Car Wheels 144 Section of the Tread and Flange of a Car Wheel 145 Allen Paper Car Wheel 145 Modern Passenger-car and Frame 147 Snow-plough at Work 154 A Type of Snow-plough 155 A Rotary Steam Snow-shovel in Operation 156 Railway-crossing Gate 157 Signal to Stop 162 Signal to Move Ahead 162 Signal to Move Back 163 Signal that the Train has Parted 163