Early in the Revolutionary War, the grandson of South Parish’s first minister, Samuel Phillips, Jr, saw the need for gunpowder and set up a gunpowder mill located on the Shawsheen River near the junction of what is now North Main Street and Stevens Street. Phillips recruited friend and trained chemist Eliphalet Pearson to assist with the operation. The new mill ran day and night producing 1,200 pounds of ammunition for the Continental Army.
Unfortunately, General George Washington was unimpressed by the quality of the gun powder and sent it back to the Andover mill. Phillips found skilled British prisoners of war and put them to work manufacturing a better quality gun powder. Local residents feared the combination of enemies and gun powder in their midst. June 1, 1778 an explosion at the mill killed three men and partially destroyed the mill. The state sent Phillips money to rebuild the mill.
At the end of the war, Phillips turned to the far less risky business of producing paper.
Reference: Juliet Haines Mofford, Andover Massachusetts: Historical Selections from Four Centuries
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