Coin Slot

Coin Slot Magazine - #035 - 1977 - December [International Arcade Museum]
Next comes the masking lacquer, which is to be applied on areas you
don't want to be plated. I use Micro-Stop Knockoff Lacquer and apply
it with an inexpensive acid brush (the type they use to apply soldering
flux.)
Be careful to only apply the lacquer to areas where you don't
want the brass flashing or plating to appear. Make sure you flow it on
instead of brushing it on. In other words, apply it heavily but carefully.
Apply at least two coats, and preferable three. Allow plenty of time
between coats for drying.
We are now ready to take our castings to the plater.
The plater will
first coat the aluminum with either Zincate or Aluminol. This acts
as an adhesive so the plating will stick to the aluminum. Next comes
the nickel plating. After that the castings go into the brass plating tank.
When flashing is done, the castings are only left on the tank for three to
four minutes at most. If they were left in any longer than that, they
would become brass plated and turn orangish in color. This would
mean that they would then have to be buffed in order to bring out
a bright shine. Watling appeared to favor the flashing process, probably
because of the savings in time and money. The only drawback with
the flashing process lies in the fact that flashing only covers the castings
like an onion skin.
It is just a veneer over the metal and would wear
off over the years.
Once the plater completes the flashing, the only thing left for him
to do is to coat the castings with clear lacquer to protect it from tar
nishing. His job in the restoration process is now complete.
Now we are ready to start working again. The stop off lacquer must
be removed proir to painting. Try an X-acto knife or pen knife to
help lift off the stop off lacquer making sure you get it all off. Although
this process can become a bit tedious, it is important.
The painting process comes next.
The Rol-A-Top machine was very
beautiful when
?w, and the right paint is necessary to duplicate
Watling's origina painting job. The aluminum edges were buffed to
a chrome like appearance while the coins, the eagle, and the name
were brass flashed.
The painted background was very important in
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setting off all of this. I d am
to u stress the necessity of using only
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the best paint for
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rcad Rol-A-Top models is Ameritone Color
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Key Paint D No. 188A
Sunflower.
It is expensive but well worth it.
/ww
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When it comes to applying the paint, I have found that it is easier
for me to spray my cases in many instances that hand brushing the
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