The following mixtures are suitable for light sizing. They can be made to give a greater or less percentage, according to the specific gravity of the mixture. For testing the specific gravity or density of the liquid, the Twaddell’s hydrometer is used. This instrument registers in degrees the density of the mixture, or the amount of matter in solution.
For light sizing—
Wheat flour
280
lbs.
Tallow
16
„
Another mixture is—
Sago