456 



NEGRETTI AND ZAMBRA, HOLBOEN VIADUCT, B.C., 



FIG. 2778. 



FIG. 2774. 



2775 Electro -Galvanic Coil Machines, either with the Four regulating Binding 



Screws, or the Lockey's Water Regulator, packed in polished Mahogany 

 case, with one of Smee's Batteries, Conducting Wires, and Shock Handles, 

 complete, very portable and convenient for; medical practice . 330 



2776 Electro -Galvanic Coil Machine, with two Smee's Batteries, in Mahogany 



case, &c 440 



2778 Electro -Galvanic Coil Machine, larger and most improved form, with a simple 



and effective Lever contrivance for regulating the shock, complete, in 

 mahogany case, with [two large Smee's Batteries, flexible Conducting 

 Wires, Shock Handles, Directors, &c., with directions for use (fig. 2778) 



660 880 



2779 Larger Coils and Batteries fitted to above, for Hospital use, made to order. 



These instruments can be had of either Primary or Secondary arrangement or both combined in one coil. 



D E F 



2780 Yarious forms of Directors for use with Electrical Apparatus. 



Full instructions sent with each apparatus, that will enable patients to use them with the greatest eas 

 and convenience. 



