1893.] on Theory and Practice in Electrical Science. 



39 



Enough has been shown, however, to prove that by utilising 

 electricity we can extend the employment of natural forces for 



r/J/MM/M/S/WH/t 



W/MMMUMM ■■•; . ■ 





procuring the necessaries of life ; and our experience shows that 

 every time this has been done in the past, the burden of manual 



