Assertion: hand abacus | /r/MadeOf | having
Facets:
value: in each
type: OTHER
Source sentences:
text: The Late Roman hand abacus shown here as a reconstruction contains seven longer and seven shorter grooves used for whole number counting, the former having up to four beads in each, and the latter having just one.
text: The Late Roman hand abacus shown here as a reconstruction contains seven longer and seven shorter grooves used for whole number counting, the former having up to four beads in each, and the latter having just one.