. . "overall: Height: 0.250 inches (0.635 cm) | Width: 0.630 inches (1.6 cm)"@en . "No restrictions on access"@en . "The nut was discovered by William Rule in a V-2 rocket tunnel in 1945 in the tunnels at Nordhausen. He was a member of the 238th Combat Engineers Division."@en . "Aluminum nut found in a tunnel at Nordhausen by a US soldier"@en . . . "No restrictions on use"@en . "irn2930" . . "The nut was donated to the United States Holocaust Memorial Museum in 1990 by William Rule."@en . . . .