Illustration shows a large cannon labeled "Violence" exploding out the back end, catching J.J. McNamara, J.B. McNamara, Samuel Gompers, and possibly Clarence Darrow in the blast. Two large cannon shells labeled "Murder" and "Dynamiting" sit on the ground on the left.
27 December 1911<div style="display: none;">date QS:P571,+1911-12-27T00:00:00Z/11</div>
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