- Anyone in the market for a good used machine tool should talk to Noel Dempsey, a dealer in Richmond, Virginia. Noel’s bustling warehouse is full of metal lathes, milling machines, and table saws, and it turns out that most of it is from schools. EBay is awash in such equipment, also from schools. It appears shop class is becoming a thing of the past, as educators prepare students to become “knowledge workers.”
At the same time, an engineering culture has developed in recent years in which the object is to “hide the works,” rendering the artifacts we use unintelligible to direct inspection. Lift the hood on some cars now (especially German ones), and the engine appears a bit like the shimmering, featureless obelisk that so enthralled the cavemen in the opening scene of the movie 2001: A Space Odyssey. Essentially, there is another hood under the hood. This creeping concealedness takes various forms. The fasteners holding small appliances together now often require esoteric screwdrivers not commonly available, apparently to prevent the curious or the angry from interrogating the innards. By way of contrast, older readers will recall that until recent decades, Sears catalogues included blown-up parts diagrams and conceptual schematics for all appliances and many other mechanical goods. It was simply taken for granted that such information would be demanded by the consumer.