Date: Fri, 08 Jul 2011 15:38:34 -0700
Message-ID: <4E1786EA.2020605@inkedblade.net>
To: "www-archive@w3.org" <www-archive@w3.org>
(image/png attachment: t17-diagonal.png)
(image/png attachment: t17-parametric.png)
(image/png attachment: t17-ray.png)
(image/png attachment: t17-tangent.png)