Page:Treatise on Soap Making.djvu/102

86 We now find, that an equal proportion of these leys mixed together, produce, upon an average, a medium weight, equal to the standard for proper boiling lee. Weak leys take always a larger quantity, and much longer boiling. On the other hand, strong leys take a less quantity to do the same work, and considerable less boiling; consequently, in using a proper ley, both time and fuel is saved.

That soap-boiling is so bad and unprofitable a trade, as many represent it, I cannot see. Such ought always to give some reason for their assertion. If that was the case, it is strongly impressed upon my mind, that the ignorance of the principles of soap-making, will be found to be the sole cause of numbers failing, that have imprudently entered into an unknown, and, consequently, critical and unprofitable manufactory.