The
Following makes a very brilliant and durable black polish for shoes:
1.
Bone black
.
......... 40 parts
Sulphuric acid
.....
.... 10 parts
Fish oil
......... 10 parts
Sodium carbonate crystal
........ 18 parts
Sugar, common brown, molasses... 20 parts
Liquid glue, prepared as below........ 20 parts
Water,
sufficient.
2.
Soap
..
122 parts
Potassium carbonate
. 61 parts
Beeswax
..
500 parts
Water
...
2,000 parts
Mix and
boil together until a smooth homogeneous paste is obtained, then add.
Bone
black
. 1,000 parts
Powdered sugar
.
153 parts
Powdered gum Arabic
.. 61 parts
Mix
thoroughly, remove from the fire, and pour while still hot into boxes.
Soak 10
parts of good white glue in 40 parts of cold water for hours, then
dissolve by the application of gentle
heat, and add 1.8 parts of glycerine (commercial). Set aside. Dissolve the sodium carbonate in
sufficient water
to make a cold saturated solution (about 3 parts of
water at 60° F.), and set aside. In an earthenware vessel
moisten the
bone black with a very little water, and stirring it about with a stick,
add the sulphuric acid, slowly.
Agitate until thick dough. Any sort of
animal oil, or even colza will answer, but it is best to avoid high
smelling oils.
Add a little at a time, and under vigorous stirring,
sufficient of the saturated sodium carbonate solution to cause
effervescence. Be careful not to add so freely as to liquefy the mass.
Stir until effervescence ceases, then add
the molasses or sugar, the
first, if a soft, damp paste is desired, and the latter if a dryer one
is wanted. Finally,
add, a little at a time, and under constant
stirring, sufficient of the solution of glue to make a paste of the
desired
consistency. The exact amount of this last ingredient that is
necessary must be learned by experience. It is a very
important factor,
as it gives the finished product a depth and brilliancy that it could
not otherwise have, as well as
a certain durability, in which most of
the blackings now on the market are deficient.
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