The roasting will be done by two machines, the Probat G-120 Roaster and the Probat P25 Roaster. Green coffee beans are transported to the roasters via transparent tubes in the ceiling. Photo 4 of 6 in Starbucks Unveils Giant Roastery for Small-Batch Coffee in Seattle by Allie Weiss

Starbucks Unveils Giant Roastery for Small-Batch Coffee in Seattle

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The roasting will be done by two machines, the Probat G-120 Roaster and the Probat P25 Roaster. Green coffee beans are transported to the roasters via transparent tubes in the ceiling.