Format:
70 S.
Series Statement:
American Philos. Soc.: Transactions of the ... . New ser. 64,7.
Language:
English
Subjects:
Engineering
,
Physics
Keywords:
Kalender
;
Geschichte
;
Zahnrad
;
Geschichte
;
Informatik
;
Geschichte
Author information:
Price, Derek J. de Solla 1922-1983