Lighting London 29 



should be necessary to call in this ally 

 he shall not be an enemy to the fellow 

 whose job it is to see that all is clear, 

 and that no engineer has been overlooked 

 and overcome by the fumes of that 

 potent gas. 



Passing on we come next to a room 

 where there are many graphs and charts, 

 discs and other tell-tale adjuncts of a great 

 power station. 



By these charts the engineers in charge 

 are able to gauge the requirements of every 

 hour of the twenty-four. They tell a story 

 of great demands on the current and the 

 story is a rather different one each day 

 of the year, since as the days lengthen the 

 consumption naturally drops from five 

 onwards to nightfall and the graph shows, 

 too, how the mornings are affected. But 

 it is not only light which has to be 

 considered. 



Up-to-date factories are relying more and 

 more upon power taken from such a station 

 as this. And there is the housewife who 

 does her cooking. There is a decided upward 



