[1203] De Simplic. Med. Facult. ix. Dioscorides also, v. 131, speaks as if it had been well known that nitrum was commonly burnt.
[1204] Phil. Transactions, 1771, vol. lxi. p. 567.
[1205] De Igne, p. 435, ed. Heinsii, where he speaks of the heat produced in lime by slaking it. Aristotle also mentions together κονία and νίτρον, on account of similar properties. Problemat. i. 39. ed. Septalii, p. 71.
[1206] Hist. Plant. iii. 9, p. 50.
[1207] xxvi. 8.
[1208] xiv. 20.
[1209] De Re Rustica, lib. i. c. 7. Little, however, depended on the wood; the principal thing was the sprinkling with water.
[1210] xxxi. 10.
[1211] xxxi. 7. Here express mention is made of brine.
[1212] Taciti Annal. xiii. 57.