Numerus cable nuclei (sing core), duo nuclei (coro- duum), nuclei tres, nuclei quatuor (cores aequalis sectione-area quatuor trium aequalium-area sectionis et sectionis minoris areae neutri core), quinque nuclei. (quinque nuclei aequalis area-sectionis vel tres corei areae aequalis-sectionis et duae areae parvae nuclei neutri).