. "No restrictions on access"@en . "German-made Zeiss Ikon camera (a) with brown leather carrying case (b)."@en . "Zeiss Ikon camera"@en . . "irn716971" . "a: Height: 3.250 inches (8.255 cm) | Width: 7.000 inches (17.78 cm) | Depth: 1.750 inches (4.445 cm)\n\nb: Height: 25.500 inches (64.77 cm) | Width: 4.000 inches (10.16 cm) | Depth: 1.630 inches (4.14 cm)"@en . "The camera was donated to the United States Holocaust Memorial Museum in 2020 by Joyce Hallet, the daughter of Jacob Yessenow."@en . "German camera used by Jacob Yessenow to take photographs of victims in the former Mauthausen concentration camp."@en . . . . "No restrictions on use"@en . .