Science: Matching Machine

In France, wine-tasters sip wines, let their tongues tell them whether the fluid is bound for a plebian carafe or a gentleman's cellar. Were it not for whiskey-tasters England's famed blenders would be unable to produce a uniformly good product year in, year out. On equally skilled men depends the fact that all vermilion dyes are uniform, that azure satins are azure. But foibles of the color-matcher's eyes, which tire quickly, make them expensive to their employers.

A new machine, on the market next week, will doubtless throw scores of color matchers out of...

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