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something which may be of interest to other Ball Sextant owners: four
different recipes for Typewriter ink, which may be useful to re-ink
the "carbon pad" of a ball sextant. (oddly enough, my local chandlery
was out of fresh replacement carbon pads, and my stationery store
doesn't stock the ink anymore . . . what is the world coming to?). I
am not sure which one is likely to offer the most success, anyone have
an opinion?

From the "Henley's Twentieth Century Formulas, Recipes & Processes"
encyclopedia, by Norman W. Henley et al (1916).

Typewriter Ribbon Inks

I

Take vaseline (petrolatum) of high boiling point, melt it on a water
bath or slow fire, and incorporate by constant stirring as much lamp
or powdered drop black as it will take up without becoming granular.
If the vaseline remains in excess, the print is liable to have a
greasy outline; if the color is in excess, the print will not be
clear. Remove the mixture from the fire, and while it is cooling mix
equal parts of petroleum, benzine, and rectified oil of turpentine, in
which dissolve the fatty ink, introduced in small portions, by
constant agitation. The volatile solvents should be in such quantity
that the fluid ink is of the consistence of fresh oil paint. One
secret of success lies in the proper application of the ink to the
ribbon. Wind the ribbon on a piece of cardboard, spread on a table
several layers of newspaper, then unwind the ribbon in such lengths as
may be most convenient, and lay it flat on the paper. Apply the ink,
after agitation, by means of a soft brush, and rub it well into the
interstices of the ribbon with a toothbrush. Hardly any ink should
remain visible on the surface. For colored inks use Prussian blue, red
lead, etc., and especially the aniline colors.

II

Aniline black...... 1/2 ounce
Pure alcohol....... 15 ounces
Concentrated glycerine ............. 15 ounces

Dissolve the aniline black in the alcohol, and add the glycerine. Ink
as before. The aniline inks containing glycerine are copying inks.

III

Alcohol......... . 2 ounces
Aniline color....... 1/4 ounce
Water............. 2 ounces
Glycerine......... 4 ounces

Dissolve the aniline in the alcohol and add the water and
glycerine.               _

IV

Castor oil.......... 2 ounces
Cassia oil.......... 1/2 ounce
Carbolic acid....... 1/2 ounce

Warm them together and add 1 ounce of aniline color. Indelible
typewriter inks may be made by using lampblack in place of the
aniline, mixing it with soft petrolatum and dissolving the cooled mass
in a mixture of equal parts of benzine and turpentine.

Rob


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