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[Copy.] " Government Laboratory,
Clement's Inn Passage,
Strand, London, W.C.
The sample of milk, marked '' No. 53," and referred to in
your letter of the 27th ultimo, was received here oil the
following day, securely sealed.
We hereby certify that we have analysed the milk and
declare the results of our analysis to be as follows:—
Non-fatty Solids = 8.20 per cent.
Fat = 2.67 „ „
From a consideration of these results, and after making
addition to the non-fatty solids on account of natural loss
arising from the change which has occurred in the milk
through keeping, we are of opinion that the sample in
question contains not less than three per cent, of added
water.
As witness our hands this Sixth day of November, 1897.
(Signed) R. BANNISTER.
„ G. LEWIN.
The Clerk to the Magistrates,
Police Court, Marlborough Street, W."
At the adjourned hearing, on November 10th, upon this certificate
being read, the Solicitor in charge of the prosecution asked
for an adjournment in order that I might be subpoenaed to attend
and give evidence in person. Therefore the case was again
adjourned till November 17th.
V.—On my comparing the two certificates, it appeared that:—
1. The analyses agreed closely in their results, but the conclusions
diverged widely.
2. My certificate was complete in itself, as showing the
standard of comparison to be a "good average milk containing
12£ parts per centum of milk-solids." The certificate from
the Government Laboratory did not disclose its standard
of comparison, and it also added to the non-fatty solids obtained
by analysis an undisclosed amount "on account of
natural loss arising from the change which has occurred in the
milk through keeping." In the absence of these two data,
there were no common terms in which the certificates could be
compared. I therefore wrote as follows to the Government
Laboratory:—