Being the Only Correct Practice of Valuing Spiritous Liquours: Shewing, by Aid of a New Set of Tables, the Differences in Value in Any Equal Quantity and Quality of All Spirits, Occasioned by Change Or Temperature: Also, the Only Developement [sic] of the Art of Ascertaining the Weight, Per Gallon, of All Spirits and All Liquors, Not Heavier Than Water, in All Temperatures, by Sikes's Hydrometer Only; and of All Liquors Whatsoever, Either Heavier Or Lighter Than Water, by a New Hydrometer. Constituting an Entirely New, and the Only True Practice for the Revenue of the United Kingdom, of Weighing, Assaying, and Valuing Spirits; and of Weighing, and Thereby Determining the True Quantities of All Liquors by the Hydrometer, and Weights and Scales, Only