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Scientific American, Vol. 41, No. 12 (1879) (1879)

leaf 3

An illustration from Scientific American, Vol. 41, No. 12 (1879), 1879, leaf 3
filtered chanical appliances through hair cloth, can be largely and thus showing that profitably used to the hair cloth filters assist or replace HIND usually relied upon hand labor. Among are far from being the operations to be thoroughly effi- performed in con- it cient. nection with such ; it… … tine, petroleum, va- the milk, and sepa- rious varnishes, etc. rating from the lat- All the fibrous materials took fire when saturated with any which does revolve, it being carried by the external gasing, ter by the action of gravity if the mixture is allowed to of these oils or with mixtures of…

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