Prepared coppersulfate, spongecadmiumand zinc sulfate from abandoned mashof zincmaking plants following the stepofoxidization, soaking in acid, neutralizationsedimentation, replacement, etc…
Butthat short leg from the long-distance network to homes and offices is a contorted mish-mash of copper phone lines, TV cables, fiber and wireless systems.
The guides, like those at Maker's Mark, stress the use of traditional methods: the slow fermentation of sour mash in vats made of cypress, the distillation in copper-pot stills (Labrot and Graham use three instead of the usual two), the regular sampling of barrels by discriminating imbibers with decades of experience, to achieve just the right taste.