LIST OF ILLUSTRATIONS. 



ADDRESSES, LECTURES, ETC. 



PLATE 



DEEP-SEA TELEGRAPHS 1 



TESTING ELECTRIC CABLES 2 



GAS PRODUCER. REGENERATIVE GAS FURNACE .... 3 



DYNAMO-ELECTRIC MACHINE 4 



REGENERATIVE GAS-FIRES AND GAS-LAMP 5 



CIRCULAR GAS PRODUCER 6 



ELECTRIC FURNACE 7 



MAGNETIC FIELD OF DYNAMO MACHINE. WATT METER . . . 8 



DIAGRAM OF EXPERIMENTS WITH D 2 DYNAMO. E. M. F. CURVES 



WITH D 2 , SD 2 , DSD a MACHINES 9 



ELECTRIC RAILWAY CARRIAGE 10 



PORTRUSH ELECTRIC RAILWAY 11 



