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Filter: Subject of metal industry
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| Date: | |
|---|---|
| Description: | Plate Steel Spiral Casing for 70,000 horse-power Niagara Falls hydraulic turbine unit at the Allis-Chalmers Manufacturing Company erecting shop. The castin... |
| Date: | 1960 |
|---|---|
| Description: | Man are working at the forging machine. The sign on the machine reads: "All Steel, National Maxipress." Caption reads: "Maxipress Forging Machine with Indu... |
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