

PRACTICAL TREATISE 



ON 



MEDICAL ELECTRICITY, 



CONTAINING 



A HISTORICAL SKETCH OF FRICTIONAL 

 AND VOLTAIC ELECTRICITY, AS 

 JED TO MEDICINE: 



WITH 

 ONS FOR THE USE OF 



ic gnsttuments 



AND EMBRACING AN ACCOUNT OF THE MOST RECENT 

 RESEARCHES OF MATTEUCCI. 



BY 



GEORGE THOMAS FISHER, JUN. 



AUTHOR OP " PHOTOGENIC MANIPULATION." 



ILLUSTRATED BY WOOD-CUTS. 



LONDON: 

 PUBLISHED BY T. & R. WILLATS, OPTICIANS, 



98, CHEAPSIDE; 



SHERWOOD, GILBERT, & PIPER, PATERNOSTER ROW; 



AND SOLD BY ALL BOOKSELLERS. 



1845. 



[Entered at Stationers Hall'] 



