Please note that this is a scanned copy of a paper originally published in 1993, so the text is not as clear as in documents created as pdf files.
People like daylight in buildings, and daylight can make a building more energy-efficient. This paper draws on measurements made at BRE to illustrate the changing nature of light from the sky. It gives advice on how to measure daylight under the real sky or an artificial sky. 4 pages.
This item is DIGITAL DOWNLOAD (PDF). You will receive an email with a link to your publication after completing the purchase, the link will also be available from the 'Your account' page.
There is also a physical version of this title available here, it is normally dispatched in 1 working day.
P J Littlefair
01-Dec-1993
Information Paper 23/93, IP23/93
BRE Electronic Publications
