Dispersoidological investigations, VI–X.
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Hatschen, E.
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Article
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1926
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Wiley (John Wiley & Sons)
⚖ 153 KB
rcspccts tho conditions \rere not the same. It sccnis, howcvcr, probablc that thc conditions choscn by :Dr. SpcUcr arc thosc which arc of immediate concc111 to the water-cngiiiccr and watcr-chemist. Dr. Spcller's work on water-t,rcatment l ~a s been tlcvo tccl to clcvcloping two main types of procc