Firbank Chapel: sketch by the Rev. Thomas Machell (1692)
The pencil sketch is very faint and rather thumbed and tattered. It appears to show an L-shaped building with a porch in the facing end. The round object above it may be a window or part of the letter d. There may or may not be a belfry. Perhaps the other branch of the L is ‘the school house adjoyneing’. Has the sketch been crossed out?
A note underneath says ‘L. 20'. B. 7'. 1 Bel.’ It seems unlikely that it was only 7 feet wide, so one assumes that these are yards.