1. The instrument I carried has done its work,
Exhausting the great philosophers beneath me.

2. Had Ptolemy gained the knowledge to make it,
He would not have burdened himself with canons.

3. But if the sun sees it in her traversing,
She sends it her modulated light.

4. And the moon's phases, hidden together
From eyes each time she rises,

5. Appear in it as they appeared
In their dusk when it was night.