Keywords: ABACUS
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Proceedings of the Institution of Civil Engineers (1953) 2 (4): 269–310.
Published: 01 July 1953
... cmss.bar, when the a b o s is put in the right position. The prinoiple underl* the Fig. 23 E- h A C W tg0 ration of the abacus is the representation of a number hy means of beade. Any of five beads below the WOSB bar wllirepresent one unit, end any of the two abovefive units. To represent a number, any one...

or Create an Account

Close subscription notice
Close access options