English Industries of the Middle Ages / Being an Introduction to the Industrial History of Medieval England

by L. F. Salzman

[[252]] V. C. H. Northants., ii. 296-7.

[[253]] A similar method of splitting was employed in the case of the slates of Stonesfield, in Oxfordshire.—V. C. H. Oxon., ii. 267.

[[254]] Ibid.; V. C. H. Northants., ii. 296.

[[255]] V. C. H. Sussex, ii. 230.

[[256]] Exch. K. R. Accts., 476, no. 5.

[[257]] Ibid., 494, no. 4.

[[258]] Pipe R., 7 Edw. III.

[[259]] Exch. K. R. Accts., 502, no. 3.

[[260]] Fabric R. of York, 19.

[[261]] A fifteenth-century account for Launceston mentions the purchase of 'An iron tool for breaking stones in the quarry, called a polax, weighing 16½ lbs., and two new wedges weighing 10 lbs.'—Exch. K. R. Accts., 461, no. 13.