181In any prosecution under this Act for the sale or keeping for sale or other disposal of liquor, or the having, keeping, giving, serving, purchasing or consuming of liquor, it is not necessary that any witness depose to the precise description or quantity of the liquor sold, disposed of, kept, had, given, served, purchased or consumed, or the precise consideration, if any, received therefor, or to the fact of the sale or other disposal having taken place with his participation or to his own personal or certain knowledge; but the judge trying any case, so soon as it appears to him that the circumstances in evidence sufficiently establish the offence complained of, shall put the defendant on his defence, and, in default of his rebuttal of such evidence to the satisfaction of the judge, shall convict him accordingly.