Category:Beacon Hill purple glass windows
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English: In the early 19th century, some window panes used in houses on Beacon Hill, Boston, contained more manganese oxide than intended. This caused them to turn purple after exposure to sunlight (solarization) much more quickly than usual. Initially unwanted, the purple glass was later prized; several buildings still have original purple panes.
Media in category "Beacon Hill purple glass windows"
The following 3 files are in this category, out of 3 total.
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Buildings at 61-64 Beacon Street, October 2010.jpg 4,288 × 2,848; 4.66 MB
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Purple glass windows at 29A Chestnut Street, Boston, August 2012.jpg 4,608 × 3,072; 3.99 MB
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Purple window panes at 29A Chestnut Street, Boston, January 2006.jpg 1,944 × 2,592; 1.37 MB
