2012.046.467
Print, Photographic
Photograph. Black and white photo of the steam shutoff valve for Turbine unit No. 16 at the Detroit Edison Delray electric power plant. The valve is covered with "Danger, Do Not Operate" tags and a cylindrical metal weight to ensure that the valve is not accidentally opened while the turbine generating unit is being disassembled for routine inspection and repair. The number, "74550-356," is handwritten on the verso.
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