538
is a box or bag into, or from, which these subtractions
or
additions of cement are put or
taken
The contents of this box or bag
are an excellent Sample of the general quality of the cement shipped, and it is from it that the check samples made and the 3 quarts for keeping are taken -
are
(j) In large orders a general supervision of the manufacture, is kept as far as possible, but it is often impossible to say what will be our cement until it is ground-
The Inspector also sees all
casks headed
the Works -
up before he leaves
I am now having each
28.
Shipment
of
cement analysed
by a chemist in
my
employ- as I am of opinion that this Chemical analysis will lead to useful results, and act as a check upon the mechanical tests-
29. I return herewith the correspondence mentioned in the 1st paragraph of this letter. -
I have, &c.
(Sd) W. H. Stanger
28.
1