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MMD > Archives > August 2003 > 2003.08.05 > 06Prev  Next


Simple Orchestrion Coin Mechanism
By Zach Goldstein

Hi to all:  I just recently visited the Music House Museum for the
seventh time, and I obtained a coin mechanism from them.  What I was
particularly interested in was the coin box itself.  Somebody else had
built the coin mechanisms, (which consisted of a couple of relays, some
solenoids, and a pneumatically operated micro-switch) but they had built
the coin boxes.

The boxes are approximately 9" or 10" tall, 4" wide, and 3" thick.
They are made of oak paneling.  The coin is dropped from the top and
it falls into a trough of sheet tin.  The tin is about 1/8-inch
wide, and about 1/4-inch above the height of a quarter.  The coin falls
down the chute and hits a micro-switch before falling through a slot
into the coin box itself.  This momentarily connects the circuit,
tripping the relay, and so forth.  I have included an image of the
inner workings (more a schematic or a plan) and will include a photo
of the box itself soon.

Musically,
Zach Goldstein
pianomanzach@hotmail.com

 [ I'll place the drawing at http://mmd.foctail.com/Pictures/  -- Robbie


(Message sent Tue 5 Aug 2003, 22:12:50 GMT, from time zone GMT-0400.)

Key Words in Subject:  Coin, Mechanism, Orchestrion, Simple

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