配方类型:

ELEMENTARY Preparations

配方说明:

soaps are made fron a fat or fatty acid and an alkali. they
lathetr and produce a foam which entraps dirt and grease. there are
many kinds of soaps.
cleaners contain a solvent, such as naphtha, with or without a soap.
abrasive cleaners are soap pastes containing powdered pumice, stone,
ailica, etc.

配方组成:

white lead/1 lb
rax linseed oil/1 fal
rosin/12 oz
crude beeswax/13 oz
waterproofindg heavy canvas

配制方法:

heat, while stirring, until all lumps are removed and apply warm to the upper side of the canvas, wetting it with a sponge on the underside before application.