many famous mines in China which have been worked for many centuries by hand, such as the Kochui tin mine in Yunnan, the Moho gold mine in Heilungkiang, and the Khotan jade mine in Sinkiang. All these mines are known to have very rich deposits,-the deeper the richer. Hitherto only the surface parts of those mines have been worked and the larger deposits are still untouched, owing to the lack of means of getting rid of the water. Some of the mines are still in the hands of the Government, while others have been given up to private concerns. If modern machinery is adopted the mines should revert to the Government so as to secure economy in working. Many discarded mines of this kind should be thoroughly investigated, and if found profitable, work should be resumed under the International Development Scheme. All future mining, other than government enterprise, should be leased to private concerns on contract, and when the term is up, the government has the option to take them over, if found profitable as a state property. Thus all profitable mines will be socialized in time and the profit will be equally shared by all the people in the country.
PART VI
The Manufacture of Mining Machinery
Most of the metal deposits of the earth are in small quantities and scattered far and wide in various places. Most of the mining enterprises resemble farming in that it is more profitable to work by individuals and small parties. As such is the case, most of the mining enter-
