The Day of the Doctor Clip: A Machine

This clip was released via the Doctor Who Save the Day website, and is the third preview clip to be released from the site. It shows the Tenth Doctor with Elizabeth I, and he has a machine that makes a very specific noise. This clip is also very short.

For More, click the links below:
One Show Clip
Unconventional Flight Clip
Tardis Reunion Clip
Monday's Clips
The Day of the Doctor Trailers
50 Years Trailer
Hashtag Sting, Date Sting, Complete Sting
More details coming soon