MAWSON & SWAN, 



Plate Machine, best make, with double rubbers and brass con- 

 ductors, mounted on mahogany stands (Fig. 72) 

 12 in. Plate... ... ... ^3 10 o 



i8-in. ,, ... ... ... 660 



Similar construction, but not so well finished, i5-in. plate, 787- 



iS-in. 1057- 



These can be supplied with discs of eboni'te in place of glass, when desired, at 

 a small advance in price. 



Winter's Electrical Machine (Fig. 73), with condensing ring for in- 

 creasing the length of the spark, i2-in. plate, 2 175. 6d. ; 

 i6-in. plate, 4 IDS. ; i8-in. plate, $ 55. 



FIG. 73. 



13 and 15, Mosley-street, Neivcastle-on-Tyne. 



