"a: Height: 12.000 inches (30.48 cm) | Width: 1.500 inches (3.81 cm) | Depth: 0.500 inches (1.27 cm)\n\nb: Height: 12.500 inches (31.75 cm) | Width: 1.750 inches (4.445 cm) | Depth: 0.630 inches (1.6 cm)"@en . . "No restrictions on access"@en . . . "Slide rule with leather case"@en . . "Slide rule with leather case, sent to donor's father Thomas Rehfisch (later Rey) by Thomas Rehfisch's mother in Germany. The slide rule was bought secondhand. Thomas Rehfisch immigrated to the UK from Germany in 1934."@en . "irn594842" . "Slide rule with leather case"@en . . . "Donated to the United States Holocaust Memorial Museum in 2018 by Pamela Rey, daughter of Thomas Rehfisch."@en . "No restrictions on use"@en .