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" Now the assistant - draper, during much of the time which he spends in the shop, breathes an atmosphere which has been rendered impure both by the exhalations of human bodies, and by the fixed air, or carbonic acid, which is given out by expiration, and... "
Prize Essay on the Evils which are Produced by Late Hours of Business: And ... - Էջ 6
Thomas Davies - 1843 - 39 էջ
Ամբողջությամբ դիտվող - Այս գրքի մասին

Physiology for young ladies

Physiology - 1843 - 120 էջ
...as it is often called, vital air, is to life and respiration. It has been ascertained that a person breathes from 14 to 20 times in a minute, and inhales from 15 to 40 cubic inches of air at each breath ! GRACE. Then every minute of our lives we are taking in from...
Ամբողջությամբ դիտվող - Այս գրքի մասին

The Christian Witness, and Church Member's Magazine, Հատոր 1

1844
...witness cases of fainting in crowded assemblies, produced by the same cause ? Now the assistant-draper, during much of the time which he spends in the shop,...inspiration, one man or woman breathes on an average 300 cubic inches of air every minute. At each inspiration one-half oí the oxygen is consumed, and its...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Report of a General Plan for the Promotion of Public and Personal Health

Massachusetts. Sanitary Commission - 1850 - 544 էջ
...appreciated, the following calculations may not be unimportant : An individual breathes, on an average, from 14 to 20 times in a minute, and inhales from 15 to 40 cubic inches of air at each inspiration. According to Southwood Smith, it appears that in one minute...
Ամբողջությամբ դիտվող - Այս գրքի մասին




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