Camera Obscura

The Magic of the Mirror of Life: an appreciation for the Camera Obscura
http://brightbytes.com/cosite/cohome.html

A great site for information on the Camera Obscura
http://www.acmi.net.au/AIC/CAMERA_OBSCURA.html

Instructions for building a Camera Obscura
http://www.funsci.com/fun3_en/sky/sky.htm

Camera Obscura by Robert Leggat
http://www.rleggat.com/photohistory/history/cameraob.htm

Camera Obscura Photography by Charles Schwartz
http://www.cs-photo.com/obscura/obscura.php