22 MAWSON & SWAN, 



COILS AND BATTERIES FOR 

 MEDICAL USE. 



FOR INTERMITTENT CURRENT. 

 Coil, small Medical, on stand, i4/- 



Do. do. more powerful, 18/6 



Very compact, for Pocket, in handsome mahogany box, handles 

 within, with regulator, requires a separate battery, 2o/- 



Fittedin mahogany boxes, with Smee's Battery No. i, i8/-; No. 2, 

 30/-J No. 3, so/- 



Gaiffe's Chloride of Silver Battery, for travelling (outside size 

 6f x jj x ij inches), 2 25. 



Yeates' Inductorium, $ 35. and ^5 55. 



DR. TIDBITS' BATTERIES. 



Induction Instrument, in mahogany French polished case, with lock 

 and key, brass handle, hooks and eyes, coil, break circuit, 

 graduator, till for sponges, insulated conducting wires, pair of 

 disc rheophores, wire brush, steel lever, &c., 6 6s. 



VOLTAIC OR CONSTANT CURRENT INSTRUMENTS. 



15 Cell Battery, in mahogany French polished case with brass handle, 



lock and key, hooks and eyes, till for sponges, graduating dial, 



pair of cylindrical rheophores, insulated conducting wires, sponges, 



&c. - ' - 5 S 



20 Cell do. do. do. 660 



30 Cell do. do. do. 880 



40 Cell do. do. do. 10 10 o 



5o*Cell do. do. do. 12 12 o 



And an addition of 2 2s. for each 10 Cells to the large 



Hospital Battery of 100 Cells, price 23 2 o 



All Batteries of more than 30 Cells are furnished with an Interrupter and a 

 Commutator of the Poles, but these fittings are only affixed to the smaller Batteries 

 -when specially ordered, and at an additional charge of i is. 



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



