I've placed a charge 12 feet along the tunnel. It'll bring the roof down.

3 seconds sound clip from the The Mummy (1959) movie soundboard.

You can hear this line at 00:12:56.880 in the Blu-ray version of the movie.

Quote context

[...]

- You want to see the inside of the tomb for the last time?

- The sooner you seal it up again, the happier I shall be.

- Yes, I feel the same way.

- I've worked in dozens of tombs. Seems the best part of my life's been spent amongst the dead. But I've never worked in a place that had such an aura of... menace.

- There's something evil in there, Uncle Joe. I felt it.

- Oh, well, let's get it over.

- I've placed a charge 12 feet along the tunnel. It'll bring the roof down.

(LOUD EXPLOSION)

- Great god Karnak, father of all living things, hear these words from me, the humblest of your servants.

- For this desecration, you will be avenged.

- Those unbelievers who disturb the rest of your handmaiden, the princess Ananka, shall suffer for their blasphemy.

[...]