Note 196 — A CYCLOPÆDIA OF PRACTICAL RECEIPTS, PROCESSES, AND COLLATERAL INFORMATION (continued 16)
Reading edition
The final addition of the 3 lbs. of powdered gum, ordered in the formula of their liquid blacking, is not mentioned by the patentees; and we therefore presume they do not intend it to be made. If made, it should be at the end of the week, and the daily stirring must then be continued for another week. This addition, or omission, enables us to produce two qualities from the same formula.