Specification of Antoine Joseph Sax : distributing vapours for hygienic purposes.

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<p>Patent for a device for "impregnating air for hygienic or therapeutic purposes with the vapopurs or emanations arising from tar, creosote, or other suitable liquid, antiseptic or antiputrid substances, or disseminating in the air for the said purposes suitable pulverized substances".</p>

Specification of Antoine Joseph Sax : distributing vapours for hygienic purposes.

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