Andrew's guitar is a Silvertone hollow body 335 series.
His amps are Fender Deluxe, or Fender Twin, but when travelling in the US, he uses a really cool amp as well, made especially for him by a company called "Specimen"; It's the thing that has a huge horn attachment that looks like a gramophone.
You can learn more about it here:
http://www.specimenproducts.com/amps/hornspeaker.html
photos: Joshua Smelser http://www.flickr.com/photos/otterfreak/sets/.