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The battery cover clamps on to the battery with a magnet (from a copier door, of course.)

Thank you Rusty. But I have to disagree that "There are two kinds of people, those that pigeonhole everybody into two generic categories, and those that know better." My belief is that, yes, there are two kinds of people in the world, but the categories are: those that pick their noses and...

I sprayed polyurethane from a left over rattlecan for the finish - about 3 coats on the body and 5 on the neck. They're hanging to dry from my clamp rack. You can't have too many clamps (or guitars or mics.) Yes, I was too lazy to take the tuners out before finishing. :)

Group picture - most of the parts prior to finishing and assembly.

Jack plate - same steel as bridge, neck plate and control plate.

The clip to hold the battery in place - more copier sheet metal.

Pick guard - copier translucent plastic. Didn't drill the holes yet. The cutout is the battery access cover. It will stick to the battery by a copier door magnet glued to it.

The units are certainly usable even with the gain switch problem. If you can remember to zero the output gain or switch to the line setting each time you rotate from position 6 to 7 in the mic setting, you won't damage the anything (power amp, monitors) connected. However, the voltage spike is...

The TnC ACMP preamps. The 73, 84 and 81's all have the same gain switching arrangement, which transiently connects the output of the first preamp stage to its input at switch position 7, causing it to oscillate, producing a huge voltage spike which is amplified and can cause the output...

It has the same problem.

Strung up. I couldn't get the body far enough into my bench drill press, so I had to drill some of the holes with a hand drill, and my angle was a little off - hence the spacing a little off.

Countersunk.

For string ferrules I used the ball ends off of old strings.

On the neck.

I used this piece. Although it looks trabecular, it was solid inside.

The nut - available materials. Old bones and antlers.

I did have to fiddle with the circuits and tweak them a bit before I made the board. :D

Top of board.

The copier had multiple circuit boards. I scarfed parts off them (got everything but the FET which I took from my parts bins), and cut a board down, cut traces to make into sort of a prototype board, and soldered in the components and wiring for the three preamps. Unfortunately I didn't clean...

And this one for the piezo pickup. http://www.till.com/articles/GuitarPreamp/index.html