Under tab, "Power Plant" Printing on bottom states, "1653-42 US Navy Yard, Charleston, SC. October 30, 1942. Contract NOy-4217. Suction header and other piping below the Deaerating heaters in the Power Plant. File 13665."
Under tab, "Power Plant" Printing on bottom states, "1652-42 US Navy Yard, Charleston, SC. October 30, 1942. Contract NOy-4217. New coal handling facilities in operation at Power Plant. File 13664."
Under tab, "Power Plant" Printing on bottom states, "1649-42 US Navy Yard, Charleston, SC. October 30, 1942. Contract NOy-4217. South elevation of Power Plant, showing (left to right) locomotive charging station, coal handling facilities, stack and ash handling bunker. File 13661."
Under tab, "Power Plant" Printing on bottom states, "1654-42 US Navy Yard, Charleston, SC. October 30, 1942. Contract NOy-4217. Deaerating heaters in parallel service in Power Plant. Close up showing water regulating valve and by pass etc. File 13666."
Under tab, "Power Plant" Printing on bottom states, "1655-42 US Navy Yard, Charleston, SC. October 30, 1942. Contract NOy-4217. Deaerating heaters in parallel service in Power Plant for picture of old single unit see photograph-File 11473. File 13667."