Page:Treatise on Soap Making.djvu/66

50 is $32⁄128$ parts, or 1 ounce; again, is $16⁄128$ parts, or 8 drams; then into $8⁄128$ parts, or 4 drams; $4⁄128$ parts, or 2 drams; $2⁄128$ parts, or 1 dram; and $1⁄128$ part, or half a dram, which is bringing it to the lowest denomination.

Get proper weights made for each of these divisions; and when the strength of the ley at any time is required to be ascertained, fill the bottle, and put it into the scale: into the opposite one, the balance of water, or the 128 shot, is placed; and as ley is always heavier than water, some one or other of the divisions will be wanted to balance the ley: therefore, whatever division may answer for that purpose, must be called the weight of the leys; the surplus weight above that of water being only reckoned, and not the whole quantity: For instance, if the bottle of ley take the division weight