c 



o 





cfl 



c 





Ci, 



rn 





M 



O 







< 





" 



f= 





3 



R 





^ 



fa 











nS 







? 



s 







T^ 





U 



qj 



m 



C 



>, 



a-. 



,rl 



o 





u 



CO 



a. 



n 



s 







co" 



03 



CO 



in 















u 



i: 



.2 



i/) 



•D 



M 







CL, 





tn 



■■ — ^ 





t- 









f 



tn 



O 





» 



f^ 



C 



03 



^ 



.2 



■rt 



s 



ta 



G 





"^ 



a 



^ 



£ 



>, 







^ 



4J 







C 



'li 



» 





J3 



o 



'J 





-a 



A 







s 



ID 



(^ 



[ 



i; 



^ 



in 



.a 





Si 



3 



5P 





bo 



3 



T3 





190 



BULLETIN 228: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY 



