In MMD 980601 D. L. Bullock writes about a very hard working orchestrion:

> We found that in the last two years that instrument had made $50,000
> in quarters.

That works out at over 270 plays per day.  Even if the establishment
is open for 365 days per year, 24 hours per day, then someone puts in
a quarter every 11 minutes.  That guy must have quite a restaurant!

Jeffrey Borinsky

 [ The following is probably not true for orchestrions, but it is
 [ true for juke boxes:  during busy times of the day or evening
 [ popular songs are often paid for more than once before they
 [ play.  However they only play once.  This can skew the amount
 [ of money per hour and the amount of maintenance per dollar of
 [ income quite favorably.  --Jody