found: Work cat.: Cole, T.W. Origin and use of church scratch-dials, 2001:facs. of 1935, p. 2 (a scratch dial is a form of sundial used by medieval parsons to mark the time for services)
found: Web. 3(scratch dial: an early simple sundial formed by lines cut usu. on a church wall)
found: British Sundial Society WWW site, 5 Sep. 2001:mass dials (mass dials or scratch dials are an early form of sundial appearing on the the walls of churches and date from about 1100 to 1600)
found: Ecclesiological Society WWW site, 5 Sept. 2001:mass dials, info. from British Sundial Soc. (mass dials (scratch dials) are medieval dials found on the south side of churches)