Blacks and pitches. By H. M. Langton, M.
Blacks and pitches. By H. M. Langton, M.A., B.Sc. Pp. xii+179. London: E. Benn, Ltd. 1925. Price 15s
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Drummond, Alan A.
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Article
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1925
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Wiley (John Wiley & Sons)
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ndoptccl t.hc nictliod of protection by nicnns of tariff. Herc i t ws dcsircd to protect a rnricty of scientific incliistrics, thc 1)roduct.s of ivliicli went to nn cvcn grcntcr raricty of coiisumcrs. Mr. \Voolcock claitucd tlint nftcr t1irr.e years