Volume 2

A danger to the public health.

Date:
1894
Catalogue details

Licence: Public Domain Mark

Credit: A danger to the public health. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    new London Law Courts and the Houses of Parlia- ment, where mechanical arrangements are employed; and all that money and the highest scientific and engineering skill could do to make the ventilation satisfactory has been tried, but without success. MECHANICAL VENTILATION DESTRUCTIVE OF DIFFUSION. ' Mechanical ventilation by impulsion forces air into a building under pressure and at a high velocity—destructive of diffusion—causing disagree- able and dangerous draughts in the vicinity, and in the line of the inlets and outlets, the other parts of the building being left wholly unventilated, as the incoming columns of air usually travel, or are pro- pelled, in a direct line to the nearest outlet, and there make their escape. Engine-driving columns of air through a building is not ventilating it. It is a well-known fact that those employed in public buildings mechanically ventilated by impulsion con- stantly complain of feeling ill, and are frequently incapacitated from fulfilling their duties.' THE PROPULSION FAN CONDEMNED. 77/1? Builder, in an editorial on the ventilation of the Houses of Parliament, expresses very decided opinions as to the causes of the failure, the use of
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