Note on the addition of fat to Tannin ex
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Singh, Puran
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Article
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1915
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Wiley (John Wiley & Sons)
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Sonic of tlic clienpcr tniinin cstmcts: such RS innngrorc, hnvc two prcnt tlcfects, wz., their d ~e p red colour nntt IiiirJli tnnnage. Tlic licst \v;i>' to oscrconic ttie colour tlillicrilty lies in tlic jndicious misttire of purc, unndiiltcmtcd cstriicls 1vit.h light-colourecl tnnning nintcriiils