Hydraulic model test of condenser inlet tunnel: North Anna units 3 and 4 for Virginia Electric and Power Company (Report - Worcester Polytechnic Institute, Alden Research Laboratories ; 60-77/M250BF)

The items bear minimal signs of past use, such as light scratches or memories in the form of markings. These signs of wear give the items a charming character and tell stories of their previous owners, while not affecting their functionality.