ἀγεωμέτρητος μηδεὶς εἰσίτω → no one ignorant of geometry may enter, let no one ignorant of geometry enter, let no one ignorant of geometry come in
Use copper, iron, silver, gold, etc.
metals: P. μεταλλεῖα, τά (Plato, Leges 678D; cf., Plato, critias, 114E).
molten metal: V. μύδρος, ὁ.
