When he ventures back, he finds Ghnxh whittling an electrode from an ingot of pure carbon. The jar of aqua regia has been capped off now, and a variety of anodes, cathodes, and other working substances are suspended in it, held in place by clamps of hammered gold. Thick wires, in insulating sheathes of hand-knit asbestos, twist out of the jar and into the business end of the galvanick lucipher: a copper salad bowl whose mouth is closed off by a Fresnel lens like the ones on a lighthouse. When Ghnxh gets his carbon whittled to just the right size and shape, he fits it into a little hatch in the side of this bowl, and casually throws a Frankensteinian blade switch. A spark pops across the contacts like a firecracker.