LIQUID, SOLID, AND GASEOUS FUELS FOR POWER PRODUCTION. 813 
and the cost of repairs to the ovens considerably higher than on a 
gasworks retort. 
As hard coke must be made, the place for it is in conjunction with 
the ordinary plant so that the by-products may be readily worked up. 
The author wishes to point out to an audience which contains many 
electrical engineers that there is no real rivalry between gas and 
electricity when they are viewed from a broad standpoint. Both take 
their origin from coal, and each is capable of doing things that the 
other cannot. The work of the engineer is to consider them both and 
to see if he cannot, by marrying the two together, obtain from the coal 
more products useful to man than by shutting his eyes to merits in 
any subject outside his own studies and experiences. 
* §6JUN.1914 
