Hedde (Google Books ⧉, Amazon ⧉, Bookshop ⧉)

The Travels of Marco Polo

A description of the manner in which camphor is produced at a very low cost, by sublimation from the chopped twigs, etc., will be found in the Lettres Edifiantes, XXIV. 19 seqq.; and more briefly in Hedde by Rondot, p. 35.