never employed for either gold or silver, but is appropriated to bronze exclusively; (2) it is not the Roman unit of weight, for that is expressed by the general term libra , a word exactly corresponding to the Greek Talanton , since it means both the weight and the scales ; (3) the as is not confined to weight, but is also employed as the unit of linear measure equal to the foot, and also as the unit of land measure equal to the jugerum or acre.
The following table exhibits the subdivisions of the as:
| As (Pes, Jugerum) | ||
|---|---|---|
| Deunx | = | ¹¹⁄₁₂ |
| Dextans | ¹⁰⁄₁₂ | |
| Dodrans | ¾ | |
| Bes | ⅔ | |
| Septunx | ⁷⁄₁₂ | |
| Semis | ½ | |
| Quincunx | ⁵⁄₁₂ | |
| Triens | ⅓ | |
| Quadrans | ¼ | |
| Sextans | ⅙ | |
| Uncia | ⅟₁₂ | |
| Semuncia | ⅟₂₄ | |
| Sicilicus | ⅟₄₈ | |
| Sextula | ⅟₇₂ | |
| Scriptulum | ⅟₂₈₈ |