House of Commons (ventilation). Report on an investigation of the ventilation of the debating chamber of the House of Commons / by Dr. M.M. Gordon.

  • Great Britain. Office of Works and Public Buildings.
Date:
1905-06
Catalogue details

Licence: Public Domain Mark

Credit: House of Commons (ventilation). Report on an investigation of the ventilation of the debating chamber of the House of Commons / by Dr. M.M. Gordon. Source: Wellcome Collection.

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    — Ia SE 3d 66 Air described as feeling “fresh,” “ fair, not close, no unpleasant smell,” &c., indicating a condition giving no appreciably different sensation from the outer air. Temperature about 63° F. Carbonic acid not exceeding the amount in outer air by more than 20 per 10,000 vols. Air described as “ rather close,” “a little close,” “ not very foul,” “a little smell,’ &c., indicating the point at which organic matter begins to be appreciated by the sense of smell. Carbonic acid excess over outer air reaches over 40 per 10,000 vols. Air described as “close,” indicating the point at which organic matter begins to be decidedly disagreeable to the sense of smell. Carbonic acid in excess over outer air to the amount of 6:0 per 10,000 vols. Air described as “very close,” “bad,” &c., indicating the point at which organic matter begins to be offensive and oppressive to the senses. 92 66 Carbonic acid in excess over outer air reaches 8 per 10,000. Air described as “extremely close,” “very bad,” &c., indicating the point at which the maximum point of differentiation by the senses is reached. Summary of de Chaumont’s Observations. im G © i) | Subjective Test. | Objective Test. Excess of CO, over that present in outside air per 10,000 vols. :— . * Rrephicaaices 4 ae 2°0 “Rather close”... ms Up to 4:0 “Qlose” ... a 2, 6°0 “Very close” he i 8:0 “Extremely close ” ... | Practically sameas No.4, but CO; may be increased.