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MINERALOGICAL,
6. The 421 samples of metals and ores examined during the year comprised the following:-
Metals.
Description. 1920, 1919. Description.
Ores.
1920. 1919.
Tin. Nickel
168
24
Tungston...
124
79
10
Bistnuth
18
26
Antimony
4
4
Manganese
87
19
Copper
7
Iron
6
7
Zine..
1
0
Copper..
t
3
Lead
2
1
Antimony
14
Iron
I
]
Tin
1
Silver..
28
0
Lend
2
Solder
0
5
Zine.....
4
Brass
0
1
Molyxlenum.
2
Arsenic
0
Barium...
1
Titanium..
Graphite
Silver
LIBRARY.
9. Several standard works of reference have been added,
SPECIAL REPORTS,
10. Special Reports have been supplied on "Constants of Chinese Oils","Waterproofing of Casks' "Composition of Chinese Wolfram", "Inflammability of Dyes" and "The Adulteration of Millet spirit with Arrack",
RESEARCH
11. Work has been done on the Adulteration of Millet Spirit with Java Arrack, on the bismuthate proceess as applied to Man- ganese Ores, and the determination of the saline constituents of the Hongkong waters. A comparison has been made of the methods in use for the determination of tin in wolfram ores.
STAFF,
12. In August last Mr. R. C. Hurley joined the staff to act as official sampler, and Mr. J. Maxwell who had previously carried out these duties rejoined the Post Office Staff.
Total,..... 206
53
Other Ores
SAMPLING.
3
Total,...... 216 151
7. The amount of sampling done during the year is shown
in the following table:-
Tin ..
Steel Wire,
98,260 slaba. Wood Oil
61,229 cpses.
Antimony
Silver.........
Wolfram....
Manganese Ore.....
2,316 cases. Lard
24,900
171 coils. Tea Oil
14,561
445 Ingots Sugar..........
35,147
"
205 tous. Anise Oil
4,015
27,870
93
Antimony Ore....... Peaunt Oil...
305
"
Cassia Oil...... Camphor
2,225
18
2,122
"
109,732 cases.
EXAMINATIONS FOR THE PUBLIC.
8. Owing undoubtedly to adverse trade conditions, less work was done during the year for local exporting firms than in 1919. The fees paid into the Treasury during the year amount to $33,415.00 as against $35,258.50 in 1919.
The value of the year's work as determined from the Tariff of Fees (Government Notification No 439 of 1918) is $37,445.00 88 against $39,918.50 in 1919.
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