LABORATORY ARTS 



A TEACHER'S HANDBOOK 



DEALING WITH 



MATERIALS AND TOOLS USED IN THE CONSTRUC- 

 TION, ADJUSTMENT, AND REPAIR OF 

 SCIENTIFIC INSTRUMENTS 



BY 



GEORGE H. \J/OOLLATT 

 PH.D., F.I.C. 



PRINCIPAL, MUNICIPAL TECHNICAL SCHOOL, PORTADOWN 



PROFESSOR OF "LABORATORY ARTS," SUMMER COURSES FOR SCIENCE 



TEACHERS, IRELAND 



WITH II Q DIAGRAMS 



LONGMANS, GREEN, AND CO. 



39 PATERNOSTER ROW, LONDON 



NEW YORK, BOMBAY, AND CALCUTTA 



1908 



All rights reserved 



