An Ingersoll Dual Lead Power Supply
Ingersoll Milling Machine Company's first EDM (electrical discharge machining) high power dual lead power supply.
Ingersoll Milling Machine Company
1966
Midway Village Museum
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2018.70.193
An Ingersoll EDM Machine for Chrysler
An Ingersoll Milling Machine Company EDM (electrical discharge machining) machine manufactured for Chrysler Corporation in Sterling, Michigan. This was the largest EDM machine made.
Ingersoll Milling Machine Company
1965
Midway Village Museum
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2018.70.189
An Ingersoll EDM Power Supply
Bob Bertolasi in a laboratory working on Ingersoll Milling Machine Company's first proprietary EDM (electrical discharge machining) supply.
Ingersoll Milling Machine Company
1964
Midway Village Museum
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2018.70.192
An Ingersoll EDM Power Supply for GM
Ingersoll Milling Machine Company EDM (electrical discharge machining) power supply. This machine was a high kilowatt version for die forming machines. It was manufactures for General Motors Company in Grand Blanc, Michigan
Ingersoll Milling Machine Company
1968
Midway Village Museum
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2018.70.196
An Ingersoll EDM Power Supply with Reversible Polarity
Ingersoll Milling Machine Company EDM (electrical discharge machining) power supply with a reversible polarity unit for tool shops and die makers.
Ingersoll Milling Machine Company
1967
Midway Village Museum
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2018.70.195
An Ingersoll Matson Dual Lead Power Supply
An Ingersoll Matson EDM (electrical discharge machining) dual lead power supply.
Ingersoll Milling Machine Company
1963
Midway Village Museum
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2018.70.191
An Ingersoll Matson Electrical Discharge Machine
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.
Ingersoll Milling Machine Company
1962
Midway Village Museum
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2018.70.188
An Ingersoll Matson Machine for Fisher Body
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.
Ingersoll Milling Machine Company
1963
Midway Village Museum
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2018.70.186
An Ingersoll Matson Single Lead Power Supply
An Ingersoll Matson EDM (electrical discharge machining) single lead power supply.
Ingersoll Milling Machine Company
1963
Midway Village Museum
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2018.70.190
An Ingersoll Milling Machine Company Electrical Discharge Machine
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.
Ingersoll Milling Machine Company
1962
Midway Village Museum
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2018.70.187
An Ingersoll Multilead Power Supply for Aerospace
Ingersoll Milling Machine Company EDM (electrical discharge machining) power supply. This was a multilead version for aerospace applications. It was manufactured for General Electric Company and Pratt Whitney.
Ingersoll Milling Machine Company
1968
Midway Village Museum
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2018.70.197
An Ingersoll Power Supply for IBM
(From right to left) Bob Bertolasi, Ron Weaver, and Doug Hood introduce the Ingersoll Milling Machine Company 20micro, .0001tol 48 lead power supply that was designed for IBM.
Ingersoll Milling Machine Company
1968
Midway Village Museum
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2018.70.198
Ingersoll Milling Machine Company Distributor Training
Distributors being trained on a new line of Ingersoll Milling Machine Company EDM (electrical discharge machining) power supplies. Leading the training at left is Bob Bertolasi.
Ingersoll Milling Machine Company
1966
Midway Village Museum
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2018.70.194
Matson EDM Machine Made by Ingersoll Milling Machine Company
EDM (electrical discharge machining) machine made by Ingersoll Milling Machine Company. This was the first machine produced after Matson become a subsidiary of Ingersoll.
Ingersoll Milling Machine Company
circa early 1960s
Midway Village Museum
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2018.70.185