[280] From descriptions and drawings by Mr. J. H. Godfrey, Mining Engineer-in-Chief to the Imperial Government of Japan.
[281] M.D., F.R.S., ‘Observations on some Metallic Arms and Utensils, with Experiments to determine their Composition.’ Royal Soc. London, June 9, 1796. Philosophical Transactions.
[282] Taken from Dr. Evans (Bronze Impl. &c. chap. xxi.). He compiled it from Martineau & Smith’s Hardware Trade Journal (April 30, 1879).
[283] Wilkinson remarked that the Egyptian proportions of half tin and half copper were whitish.
[284] Lord Rosse, in casting specula, preferred using copper and tin in their atomic proportions, or 68·21 per cent. copper to 31·79 per cent. tin.
[285] Speltrum was introduced by Boyle. During the last century much zinc was imported from India (possibly supplied by China), and was called tutenag.
[286] Bohn’s Trans. ii. 32–45. The learned German begins by stating that zinc was not known to the Greeks, Romans, and Arabs, and then proceeds to prove that it was. The word ‘zinc’ (from zenken or zacken, nails, spikes?) first occurs in the works of the Iatro-chemist, Paracelsus, who died in a.d. 1541.
[287] Blende is a generic word, from blenden, to dazzle.
[288] Mongez, Mém. de l’Institut.
[289] At Goslar, however, according to Lohnriss, brass was made in a.d. 1617.