485
Of silver 800 parts is the usual amount in genuine coins, so that this coin being but little deficient had been somewhat of a puzzle to experienced shroffs.
13. An examination of English and Chinese cent pieces gave the following results :-
Copper, Tin,
Zinc,
Iron,
MISCELLANEOUS.
English.
Chinese.
(Kwangtung-10 cash.)
.94.82
96.39
4.16
1.27
.97
2.51
.13
.07
100.08
100.24
14. Five samples of powdered camphor were found to be mixed with salt. Enquiry seemed to point to the admixture having been performed on board ship.
15. Gas examinations.-A series of monthly examinations of the Public Gas Supply for the proportion of Carburetted Water Gas was commenced in July.
EXAMINATIONS FOR THE PUBLIC.
16. The public continue to take advantage of the Laboratory and have forwarded a great variety of samples for examination on payment.
The fees paid into the Treasury during the year amounted to $2,422.50 as against $3,099 in 1906.
SPECIAL REPORTS.
17. Special reports have been supplied on :-
A Pharmacy Bill.
The Opium Habit.
The Preservation of Books.
Naphtha.
Liebig's Meat and Malt Wine.
Methylated Spirit.
The Prepared Opium Ordinance.
18. The value of the year's work as determined from the tariff of fees (Government Notification No. 285 of 1907) is $6,160 ($7,297 in 1906). The amount does not include anything for the special reports mentioned above, and there is much beside for which nothing
has been set down.
LIBRARY.
19. A few standard works of reference have been added and some new editions obtained.
STAFF.
20. Mr. A. C. Franklin, F.L.C., Assistant Analyst, was on leave from February 20th.
FRANK BROWNE, Ph. Ch., F.I.C., F.C.S.