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Alfred William Rothwell
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Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices
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Abstract
20,527. Rothwell, A. W., [Rothwell, T. T.]. Sept. 7. Tea.-Tannin is removed from infusione of tea by injection of oxygen gas, in the pure state or mixed with other gas, and filtering off the semisolid particles formed by the action of the gas.
GB189720527D1897-09-071897-09-07Elimination of Tannin from Tea.
ExpiredGB189720527A
(en)