This article must adhere to the biographies of living persons (BLP) policy, even if it is not a biography, because it contains material about living persons. Contentious material about living persons that is unsourced or poorly sourcedmust be removed immediately from the article and its talk page, especially if potentially libellous. If such material is repeatedly inserted, or if you have other concerns, please report the issue to this noticeboard.If you are a subject of this article, or acting on behalf of one, and you need help, please see this help page.
This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:
This article is within the scope of WikiProject Biography, a collaborative effort to create, develop and organize Wikipedia's articles about people. All interested editors are invited to join the project and contribute to the discussion. For instructions on how to use this banner, please refer to the documentation.BiographyWikipedia:WikiProject BiographyTemplate:WikiProject Biographybiography articles
This article is within the scope of WikiProject Glass, a collaborative effort to improve the coverage of glass on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.GlassWikipedia:WikiProject Physics/Taskforces/GlassTemplate:WikiProject Glassglass articles
This article is within the scope of WikiProject Pennsylvania, a collaborative effort to improve the coverage of Pennsylvania on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PennsylvaniaWikipedia:WikiProject PennsylvaniaTemplate:WikiProject PennsylvaniaPennsylvania articles
This article is within the scope of WikiProject Visual arts, a collaborative effort to improve the coverage of visual arts on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Visual artsWikipedia:WikiProject Visual artsTemplate:WikiProject Visual artsvisual arts articles
I believe the illusions created are more due to total internal reflection because of the high index of refraction of leaded glasses. I fail to see how the transmittance has an effect. GetsEclectic (talk) 00:27, 20 May 2009 (UTC)[reply]
A Commons file used on this page or its Wikidata item has been nominated for deletion
