Guntersville Dam and powerhouse. View of entrance end of generator hall from generator floor. Raised platform at end serves as delivery and assembly space for machinery, also as visitors' overlook. Machine repair and electrical shops are located under platform. Offices in downstream wing are served by open corridor, beginning of which is seen on upper floor to the right of the picture. Directly below, control room which can be inspected from entrance platform. Windows of generator hall along sides are of glass brick (as at Chickamauga, also) for heat insulation and easier maintenance