1 matching record(s)
file U (Stack)Tun-Chieh, Yen
"Ku-kung so-tsang Ch'ing-tai chi-suan i-ch'i"
(Computing apparatus of the Ch'ing period preserved in the Palace Museum at Peking [including two calculating machines of Pascal]); from Wen Wu, no. 3, 1962.
[1965-94]
1962