VARIOUS GENERATORS OF ELECTRIC LIGHT. 91 



sioned by the soi-disant wonderful discovery made by Edison, 

 which was to abolish gas and its applications for ever. On 

 this occasion Edison mentioned the famous generating 

 machine of Wallace Farmer, which was to supply torrents 



FIG. 27. 



of electricity, and everybody was eagerly seeking to learn 

 something of this new wonder. Now, a Report issued by a 

 Committee appointed by the Franklin Institute in America, 

 for a comparative examination of the various machines for 

 light, has quite recently opportunely satisfied the curiosity of 

 the public by giving not only a description of this machine, 

 and of that of Brush, also previously unknown, but also 

 the numerical results of the experiments undertaken by the 

 Committee, and even the verdict of the Committee, who, in 

 spite of the much more favourable results yielded by the 

 Gramme, pronounced in favour of the American machines. 

 We shall, however, have occasion to return to these estima- 

 tions. 



Wallace Fanner's machine, which is represented in Fig. 

 27, is, in fact, nothing more than a reproduction on a large 



