APPENDIX IV.
ANALYSES OF JAPANESE MIRRORS.
MM. CHAMPION AND PELLET (Industries de l’empire Chinois, p. 64) give the following composition for Chinese mirrors:
| Copper | 50·8 |
| Tin | 16·5 |
| Zinc | 30·5 |
| Lead | 2·2 |
| ——— | |
| 100·0 | |
| ——— |
Dr. Geerts gives (Trans. Asiatic Soc. of Japan, vol. iv., p. 40), for the alloy used in one of the largest mirror-foundries in Kioto:
| Copper | 80 |
| Tin | 15 |
| Lead | 5 |
| —— | |
| 100 | |
| —— |
And for mirrors of inferior quality:
| Copper | 80 |
| Lead | 10 |
| Shirome | 10 |
| —— | |
| 100 | |
| —— |