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MMD > Archives > January 2005 > 2005.01.21 > 04Prev  Next


Cleaning Musical Box Cylinders
By Craig Smith

Terry,  First of all, you want to be _very_ careful of the area where
the organ pins/bridges are.  They are very fragile and nearly impossible
to replace.

Watch out for the masking tape on the combs.  I'd write the tuning on
a piece of paper/cardboard that you can hold near the comb.   The tape
can cause rust and leave a residue.

For cleaning the cylinders, some people use a horse-hair buffing wheel
(not of cloth) and an abrasive, but it's chancy if the wheel catches
and pulls out a bridge or causes you to drop the cylinder, or if you
touch something hard while holding the cylinder and damage the pins.

I prefer this method.  Remove the main shaft and tape over all the
holes to keep out liquid etc.  I use adhesive backed aluminum tape
because it isn't effected by liquids.

I use a brass cleaner named 'Wright's All Purpose Brass Polish'.
Elton Norwood told me about it 15 years ago.  It is the only polish
I have found that has the correct combination of properties.  It is
NON-abrasive and it contains ammonia.  It's made by J. A. Wright &
Company in Keene, New Hampshire, USA (tel.: 1-800-922-2625) *.

The important thing is its chemical makeup.  Most other brass polishes
(including some of Wright's other polishes) cause a chemical reaction
between the brass cylinder and the steel pins which causes a pink
discoloration to be plated on the brass around the pins.  This is
unsightly and hard to remove.

I use the Wright's brass polish and flood the cylinder with it.  Then
I use a toothbrush and scrub away.  First I scrub lengthwise and move
around the cylinder about 4 inches wide at a time.  _Do not_ scrub
lengthwise where the organ pins are as they will probably break or
bend.

Then I scrub in the direction of turning (around the circumference).
Then I wash off with soap and water and check it.  Repeat if necessary.
I dry immediately with a clean cloth and then use low pressure hot air
to really dry it.  I put a little fine oil on a business card and touch
it to the tips of the pins.

In really bad areas, you can start with a mildly abrasive brass cleaner
and then clean it off and use the Wright's polish to remove the pink
colour (not easy) and restore the colour and polish.  Then, if you want
a really high polish, you can apply a little of the polish again, let
it dry, and then buff off with a soft brush  (I use an old shoe polish
brush) in the direction of the circumference.  Make sure that you don't
leave any residue.

Let me know if you have any more questions.

Regards
Craig Smith
New York, USA

* J. A. Wright Company sells it directly for $3 per 8 ounce bottle plus
$4.50 shipping to the USA (or $18 per case of 6 plus $4.50 shipping).
Stores usually mark it up a bit.  To England they sell by the case
only, plus shipping.  There is someone in England who imports Wright's
products but they do not buy the brass polish.  You can call Wright's
and ask for a contact if you'd like.


(Message sent Fri 21 Jan 2005, 21:08:58 GMT, from time zone GMT-0500.)

Key Words in Subject:  Box, Cleaning, Cylinders, Musical

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