English: Proof testing the Armstrong gun at the Royal Arsenal in Woolwich. The Illustrated London News, 5 April, 1862. Greenwich Heritage Centre, Woolwich, south east London, UK. Detail of Greenwich Heritage Centre, History of Royal Arsenal 2.jpg
Date
3 February 2017, 14:37:24
Photograph
DescriptionGreenwich Heritage Centre, History of Royal Arsenal 2(1).jpg
English: Proof testing the Armstrong gun at the Royal Arsenal in Woolwich, 1862.
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