MAWSON & SWAN, 



2Q 



FIG. 104. 



MAGNETO-ELECTRIC MACHINE (Fig. 106), with Jamin's Magnets, for 



demonstration for laboratories and science classes, to work by 



hand. Equal to 5 or 6 ordinary Bunsen's Cells. ^35 and ^40. 



This Machine will serve also for Telegraphy and Electro-Metallurgy. For 



these different purposes it is supplied with bobbins, wound with wires of different 



sizes fine for tension, thick for quantity. 



Fir,. 106. 



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



