6 



MAWSON & SWAN, 



PLATE MACHINES. 



Cheap form, French make, lo-in. plate, single conductor, on wood 

 ' stand, 15/6 



Ditto, zoA-in. plate, double conductors, with Leyden jar, 257- 

 Ditto, i3-in. plate, ditto, better finished (Fig. 71), 5<D/- 



FIG. 71. 



FIG. 72. 



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



