This depends somewhat on the kind that is
being made, but largely on the rapidity with which the boiling is
carried on. Thus, to time the boiling of candy is the most uncertain way
of determining when the boiling has continued long enough. The
inaccuracy of measurement, the size and shape of the pan, and the rate
of speed in boiling cause a variation in the time required.
Consequently, it would be rather difficult for the same person to get
identical conditions twice and much more difficult for two persons to
produce the same results.
58. TESTING CANDY.--Since accurate results cannot be obtained by timing
the boiling of candy, other tests must be found that will be reliable.
As has already been stated, a thermometer is perhaps the most accurate
means that can be adopted for this purpose. However, if one is not
available, the testing of a small quantity of the hot mixture by cooling
it in cold water will be found to be fairly accurate. Ice water is not
necessary nor particularly desirable for this kind of testing. In fact,
water just as it comes from the faucet is the best, as it is quickly
obtained and its temperature will not vary greatly except in very hot or
very cold weather.
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