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MUS. COMP. ; 

 LIBRARY 



APR 16 1^ 



HARVARl 

 UNlVERSr 



by John H. White 



Paper 24 pages 117-131, from 



CONTRIBUTIONS FROM THE MUSEUM 

 OF HISTORY AND TECHNOLOGY 



United States National Museum 



bulletin 228 



SMITHSONIAN INSTITUTION 



WASHINGTON, D.C., 1961 



