I had a computer crash yesterday, so am somewhat limited to my normal access, however, if you click on the following link, you will see a photo of the inside and where the step up was when you go to the meat counter in Steeple Market was, that is where the altar was, with the sacristy behind that:
http://www.vtgrandpa.com/photos/magnan (http://www.vtgrandpa.com/photos/magnan)