M 91
The samples examined comprised the following:
Metals.
Ores.
Tin,... 186
Tin, 7
Antimony, 38
Antimony, 61
Lead, 7
Lead, 7
Zinc, 9
Zinc, 4
Copper, 5
Copper, 3
Solder,
Manganese,. 4
Brass, 1
Iron, 5
Gold, 4
Gold, 4
Tungsten,
Titanium, Molybdenum, 1
Total, 253
Total, 107
Of tin 72,434 slabs, each weighing 1 cwt., were stamped as a guarantee of quality. No claims of any kind were received by Hongkong exporters of this metal during the year.
OILS.
8. In May, the new laboratory for the analysis of essential oils was completed and arrangements made for the examination of a considerable number of samples. The following table shows the increase in the number examined during the past four years:-
Year. Samples of Anise Oil, Samples of Cassia Oil. Total number of samples. 1912, 0 1 1 1913, 2 2 4 1914, 42 2 41 1915, 89 56 145Since the beginning of April, each case of oil sampled by the Laboratory staff was sealed with a Government seal. Already 2,285 cases of anise oil and 1,470 cases of cassia oil have been shipped thus sealed. As in the case of tin, no claims have been received by Hongkong exporters of oil, in connection with any of the samples examined at the Laboratory.