Ill 



irmer of his own of last year's pattern, 

 tade by Messrs. Goolden and Co., and 

 lother, the latest pattern, made by 

 [essrs. Johnson and Phillips. The 

 ifference between them was that one 

 as adapted for indoor and the other for 

 ntdoor use. They could act under 

 ater, and had been so worked for trial, 

 ut of course no one would think of 

 r orking them in that way permanently, 

 n the new pattern transformer the wind- 

 lg was split up, so that the difference of 

 otential of any particular coil would 

 nly be a portion of the total pressure, 

 'he arrangement had another advantage, 

 f transformers were wanted for two 

 ifferent voltages, say 50 or 100, the 

 ame instrument could be used, as the 

 wo secondary coils could be coupled in 

 •arallel for the lower and in series for 

 he higher pressure. Some iron tubes 

 nd steel boxes were shown, as used by 

 lessrs. Lowrie and Hall for distribution 

 >y underground mains, drawn through 

 hese tubes. There were also samples of 

 ead cables, the joints of which were 



