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citntifit �mtri,an. 177 disease. With every extension of the area of the plague I Strains, and its Application in the Construction of BUild-I and iron doors, as a protection against the spread of fire. tbe possibility of staying its advance by quarantine regula-! ings," enjoys the highest professional favor. His contribu-The works are complete in themselves, consisting of iron and tions becomes less, and after it passes a certain limit, pesti-I tions to the SCIENTIFIC AMERICAN and otherdoi:10.1038/scientificamerican03221879-177d fatcat:z7kxytap3zhczgwuxgsybq7fh4