- What was this Ardeth doing in the museum?
- Looking at the mummy, just at closing time.

7 seconds sound clip from the The Mummy (1932) movie soundboard.

You can hear this line at 00:29:17.920 in the Blu-ray version of the movie.

Quote context

[...]

- Well, after we'd worked among her things, I felt as if I'd known her. And when we got the wrappings off, and I saw her face... You'll think me silly, but I sort of fell in love with her.

- Do you have to open graves to find girls to fall in love with?

- I say! Now I know what it is about you.

- There was something about her head...

- I had never mentioned the name, yet I heard Miss Grosvenor mutter, in ancient Egyptian, something about Imhotep.

- Imhotep?

- What was this Ardeth doing in the museum?

- Looking at the mummy, just at closing time.

- Hello. What? Il est mort? Tout de suite, effendi.

- Come. A museum guard found dead in the room of the princess.

- So he died of shock.

- We find this in dead guard's hand. Probably thief try to steal it. Guard take it away, thief kill him.

[...]