Dublin Civic Trust (@dubcivictrust) 's Twitter Profile
Dublin Civic Trust

@dubcivictrust

An independent charitable organisation working to recognise and protect the city’s architectural heritage and its civic potential

ID: 322628051

linkhttp://www.dublincivictrust.ie calendar_today23-06-2011 13:54:47

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Dublin Civic Trust (@dubcivictrust) 's Twitter Profile Photo
Dublin Civic Trust
@dubcivictrust

4 years ago

The distinctive green tint in the window sashes of ⁦⁦⁦Trinity College Dublin⁩’s Examination Hall is caused by a concentration of iron oxide in the sand used to make its 1780s crown glass. The pinkish hue is the result of manganese used to counter the green tint. Magical survivors

The distinctive green tint in the window sashes of ⁦⁦⁦<a href="/tcddublin/">Trinity College Dublin</a>⁩’s Examination Hall is caused by a concentration of iron oxide in the sand used to make its 1780s crown glass. The pinkish hue is the result of manganese used to counter the green tint. Magical survivors