Here are three sketches done inside the Chapel at the Charterhouse.
Pencil sketch of the columns in the chapel. 22 Nov 2017, 1:45 (1hr 15)
From the Organ loft 22 Nov 2017 14:40, pen and coloured ink. 40min
Chapel pews, pen and wash, 28th November 2017 15:14
There is a quiet recording of religious songs in there. The sound makes the place calm. People speak softly.