URE'S DICTIONARY 



OF 



AETS, MANUFACTUKES, AND MINES 



CONTAINING 



A CLEAR EXPOSITION OF THEIR PRINCIPLES AND PRACTICE 



BY 



EGBERT HUNT, F.R.S. 



KEEPER OP MINING RECORDS 



FORMERLY PROFESSOR OF PHYSICS, ROYAL SCHOOL OP MINES, ETC. 

 AUTHOR OP 'RESEARCHES ON LIGHT' 'THE POETRY OP SCIENCE' ETC. 



assisted by 



F. W. BUDLEE, P.G.S. 



and by numerous Contributors eminent in Science and familiar with Manufactures 



foitlj wpfoarbs of fahznty-attt ijtmittefr (ffografrings 0tt 



SEVENTH EDITION 



COMPLETELY REVISED AND GREATLY ENLARGED 



IN THREE VOLUMES 

 VOL. II. 



LONDON 



LONGMANS, GREEN, AND CO. 



1875 



All rights reserved 



