An EDM (electrical discharge machining) machine manufactured by Ingersoll Milling Machine Company through its subsidiary Matson. This machine was made for the Matson demonstration room.
An EDM (electrical discharge machining) machine manufactured by Ingersoll Milling Machine Company for its show floor. Note the nameplate indicates that the machine was made with its subsidiary Matson.
An EDM (electrical discharge machining) machine manufactured by Ingersoll Milling Machine Company through its subsidiary Matson. The machine was made for Fisher Body of Grand Blanc, Michigan.
EDM (electrical discharge machining) machine made by Ingersoll Milling Machine Company. This was the first machine produced after Matson become a subsidiary of Ingersoll.