The Theory and Practice of BrewingCombrune, Michael
Science
The Theory and Practice of Brewing
Combrune, Michael
Brewing
But more exactly, to imitate the fermented liquors formed by nature,
our first wort, answering to the germinating part of her process must
be of one uniform heat in the extracts, as must likewise our second
wort: (See page 165) the mean, then, of the progressive heats of the
first wort will be that which must be applied both to the first and
second mashes, and the mean of the progressive heats of the second
wort, that which must direct the third and fourth mashes; from whence
are deduced
_Elements for forming keeping pale strong and keeping pale small beers._
Malt’s Value of Whole First Second Third Fourth
dryness. hops. medium. mash. mash. mash. mash.
Degrees 119 3 138 150 150 158-1/2 158-1/2
Barrels 14-1/2 14-1/2 11 11
First wort. Second wort.
That this method of applying the heats to the mashes corresponds to the
medium heat which is to govern the whole process, the circumstances
required in page 165, the following operation will prove.
29 Barrels, the first wort.
Heated to 150
----
1450
29
----
4350
----
22 Barrels, the second wort.
Heated to 158-1/2
------
11
176
110
22
------
Whole 3487
quantity 4350
of water, ------
Barrels 51 )7837( 153 The mean heat of the 4 mashes.
51 2 Deducted for the heat lost at the
---- ---- tap.
273 151 Heat of the tap’s spending.
255 119 Malt’s dryness.
---- ----
187 270
153 ----
---- 135 Mean heat of Malt’s dryness and of the extracts.
3 Value of hops.
----
138 Mean heat of the whole process.
----
Admitting of the necessary variations in the medium heats which are to
govern processes for different purposes, and of those in the number
of degrees forming the constituent parts of the must, in proportion as
the drinks are to be formed, either to become spontaneously fine, or
made so by precipitation, or intended for a longer or shorter duration.
This rule will be found universally true, when beers are brewed with
two worts: but when, for the benefit of the drink, or on account of
the smallness of the utensils, as is often the case, when the second
mode of extraction is put in practice, we are obliged to carry on
the process with three worts, these proportions must necessarily
be altered, and the following have, in this case, been found most
advantageous.
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