How do I get to the gasson bell tower?

How do I get to the gasson bell tower?
How do I get to the gasson bell tower?

My cousin the bell tower, in spite of their frequent ringing, is mute on the subject of access. There’s a clue (bit.ly/bells-clue) but it predates renovation. Here’s a bit of a virtual tour: http://bit.ly/BCM-gasson, and another: http://bit.ly/burnsblog-gasson.