An enquiry into certain principles of architectural physiology / by D.O. Edwards.

  • Edwards, David Owen, 1801-1878.
Date:
[1866]
Catalogue details

Licence: Public Domain Mark

Credit: An enquiry into certain principles of architectural physiology / by D.O. Edwards. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

    12/16 (page 126)
    2.—Comparison of in-door and out-door temperature, and relative humidity during the three hottest and the three coldest months, in Chelsea, compiled from the observations of Mr. C. Soare and Mr. Bacon, made during 20 years, from 1827 to 1846, showing the effects of architectural covering. Months and Seasons. Mean Temp, out of doors. Mean Temp. in-doors. Wet bulb Thermo. Dew point. Difi'. between in-door and out- door Temp. Relative humid. in-doors. Relative humid, out of doors. 37-02 43-73 34-14 30-02 30-30 6- 71 7- 05 68- 72 65-40 74-89 69- 67 57-70 81-00 77-00 85-09 81-03 69-67 11-36 62-30 February 39-39 46-44 35-39 December 40-39 46-64 35-80 27-60 6-25 Average 38-93 45-60 f Average humidity for three Mean difference June 59-99 38-93 6-67 65-11 47-99 37-40 \ months out of doors Ditto in-doors Gain in dryness July 63-48 68-18 51-95 42-20 4-70 61-90 60-90 Auffust 61-27 66-97 51-27 42-60 63-58 63-58 69-50 Average 61-58 66-75 5-70 61-06 64-23 Average humidity out of doors Ditto in-doors Gain in dryness Mean difference 61-58 5-19 61-06 3-17 3.—Table, shoiving the difference between natural temperature, and the temperature maintained by architectural covering and artificial heat. The observations were made at Torquay, 1826-27. State of Thermometer. of the month Ditto in-doors Gain in absolute heat .. Natural monthly range Eange in-doors o O Mean natural daily range Ditto in-doors Diminution of the mean i daily range i Natural extreme daily range Ditto in-doors Diminution in extreme) daily range j Nov. Dec. Jan. Feb. March. April. The facts are supplied by Sir J. Clarke, F.R.S. 49-90 48-36 45-91 45-48 48-20 52-82 63-90 64-52 63‘5G 62-60 63-16 67-64 14-00 16-14 17-65 17-12 14-96 14-82 Mean temperature raised 29-00 18-00 25-00 29-00 23-00 26-00 7-00 6-00 6-00 11-00 9-00 6-00 22-00 12-00 19-00 18-00 14-50 20-00 Diminution in monthly range 5-00 5-00 5-00 600 8-00 11-00 1-00 2-00 1-00 3-00 3-00 2-00 4-00 3-00 4-00 3-00 5-00 9-00 10-00 12-00 13-00 16-00 23-00 12-00 4-00 4-00 4-00 7-00 9-00 5-00 6-00 8-00 9-00 9-00 14-00 7-00 Gain in steadiness