Weights and Measures. [Ch.31. No. 15. 905

15. Where the quantity of anything weighed or measured. tmegal_
or to be weighed or measured, is expressed in any mode not SFPressioh
authorised by this Ordinance in reference to such thing, the ° 7 *
quantity so expressed shall be deemed to be uncertain.

16. Subject to the provisions of this Ordinance, any Presump-
weight mentioned or referred to in any Ordinance, or in any weights.
contract, bargain, sale, or dealing, if the article weighed be
of the class of articles which according to this Ordinance
may be sold or dealt in by troy weight or apothecaries weight,
shall be deemed to be troy weight or apothecaries weight,
and if the article weighed be not of such class shall be deemed
to be avoirdupois weight unless in either case the contrary
is expressed or implied.

17. (1) The Governor may from time to time procure Standards.
such standards of weight and measure as he may consider
necessary.

(2) levery standard shall be of a denomination cither
equivalent to or a multiple or aliquot part of a weight or
measure of which the use is authorised by this Ordinance
and shall be verified by the standard department of the
Board of Trade in England before being brought into use
in the Colony.

(3) Every standard shall be made of such materials
and in such manner and shall be placed in such a receptacle
as to be, so far as-‘practicable, proof against mechanical and
atmospheric agencies and all other sources of error.

(4) On publication in the Roval Gazette of a notice that
any standard of weight or measure has been brought into
use in the Colony such standard shall become the Colonial
Standard and shall for all purposes be conclusively deemed
to be true and accurate.

(5) The Colonial Standards in use in the Colony at the
time of the passing of this Ordinance shall be the Colonial
Standards for the purposes of this Ordinance.

18. The Governor may, by notice published in the Royal Conditions
Gazette, declare the conditions of temperature and atmos- ° *™°Y
pheric pressure and the other conditions (if any) under