Equipment Review: Ratio Four Coffee Machine

The Ratio Four Coffee Machine is the Portland-based brand’s latest brewer. Photo by Howard Bryman. Over the past 10 years, Portland, Oregon-based Ratio has gone a long way in broadening the niche of beautiful, well-wrought, simple-to-use automatic home drip coffeemakers. The company’s first two machines, the Eight and the Six, have both earned accolades not […]

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