Old Marlowe wrote "burned", not toppled.

Helen passes across the stage and so inspires Faustus to speak the famous lines:

Was this the face that launched a thousand ships
And burnt the topless towers of Ilium?

The Old Man enters and warns Faustus to leave off his sinful ways. Faustus is not convinced and seals his fate by kissing the demonic spirit of Helen.

I suppose being on a first-name basis with every writer in history is an occupational hazard for Library People.

Anyway, Ilium is nowhere near Ilap, as which there is no such place up at which to put.

A