Sentence:  From this same Head, this Fountain-head divine, / For different Palates springs a different Wine! / In which no Tricks, to strengthen, or to thin 'em— / <WSD>Neat</WSD> as imported—no "French" Brandy in em'— 
Meaning of the word marked with <WSD> tags:  Free from contaminants; unadulterated, undiluted. Particularly of liquor and cocktails; see usage below.