Homer, Iliad

Hom. Il. 18.360

Ἡφαίστου δ᾽ ἵκανε δόμον Θέτις ἀργυρόπεζα
370ἄφθιτον ἀστερόεντα μεταπρεπέ᾽ ἀθανάτοισι
χάλκεον, ὅν ῥ᾽ αὐτὸς ποιήσατο κυλλοποδίων.
τὸν δ᾽ εὗρ᾽ ἱδρώοντα ἑλισσόμενον περὶ φύσας
σπεύδοντα: τρίποδας γὰρ ἐείκοσι πάντας ἔτευχεν
ἑστάμεναι περὶ τοῖχον ἐϋσταθέος μεγάροιο,
375χρύσεα δέ σφ᾽ ὑπὸ κύκλα ἑκάστῳ πυθμένι θῆκεν,
ὄφρά οἱ αὐτόματοι θεῖον δυσαίατ᾽ ἀγῶνα
ἠδ᾽ αὖτις πρὸς δῶμα νεοίατο θαῦμα ἰδέσθαι.
οἳ δ᾽ ἤτοι τόσσον μὲν ἔχον τέλος, οὔατα δ᾽ οὔ πω
δαιδάλεα προσέκειτο: τά ῥ᾽ ἤρτυε, κόπτε δὲ δεσμούς.

On this wise spake they one to the other; but silver-footed Thetis came unto the house of Hephaestus, [370] imperishable, decked with stars, preeminent among the houses of immortals, wrought all of bronze, that the crook-foot god himself had built him. Him she found sweating with toil as he moved to and fro about his bellows in eager haste; for he was fashioning tripods, twenty in all, to stand around the wall of his well-builded hall, [375] and golden wheels had he set beneath the base of each that of themselves they might enter the gathering of the gods at his wish and again return to his house, a wonder to behold. Thus much were they fully wrought, that not yet were the cunningly fashioned ears set thereon; these was he making ready, and was forging the rivets. [380]


http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.01.0134:book%3D18:card%3D360