-- non-subscriber, please reply to sender and MMD --

I have recently constructed a calliope from inexpensive materials;
in fact, the whole thing cost about $100 not including the solenoids
which, luckily, were given to me.

Details of how to build your own calliope are available at my web site:
http://webone.com.au/~mydav/index.htm.

David Kerr