A philosophical estimate of the causes, effects and cure of unwholesome air in large cities. With a ... mode of supplying with perpetual warm, or cool fresh air, churches ... hospitals, ships, houses ... sick rooms, etc. To which is prefixed, a philosophical dissertation on the causes and cure of smoking chimnies / [A. Walker].

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A philosophical estimate of the causes, effects and cure of unwholesome air in large cities. With a ... mode of supplying with perpetual warm, or cool fresh air, churches ... hospitals, ships, houses ... sick rooms, etc. To which is prefixed, a philosophical dissertation on the causes and cure of smoking chimnies / [A. Walker]. Public Domain Mark. Source: Wellcome Collection.