Spectators group around National Broadcasting Company, engineer during preparation for Army Hour broadcast from the foundry of Watertown Arsenal, Watertown, Massachusetts in conncetion with casting of the 100,000th gun barrel on 20 February 1994

Spectators group around National Broadcasting Company, engineer during preparation for Army Hour broadcast from the foundry of Watertown Arsenal, Watertown, Massachusetts in conncetion with casting of the 100,000th gun barrel on 20 February 1994

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