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The Z4, which was built in 1945, runs on the rail, takes up most of the space, and requires several people to operate.
The machine is now in the German Museum in Munich, but has not been used for a long time.
ETH Zurich archivist Evelyn Bosch discovered the manual among her father’s documents in March, according to retired professor Herbert Bruderer (via motherboard). Rene Bosch collaborated with the Swiss Association for Aeronautical Engineering, which was based at the University Institute for Aeronautical Statistics and Aircraft Construction. The Z4 stayed there in the early 1950s.
Among the Bosch documents were notes on mathematical problems solved by the Z4 and which were related to the development of the P-16 jet fighter. “They included calculations of the trajectory of the rockets, the wings of the planes, the vibrations of the flapping [i] on the nose, ”Bruderer wrote on the Computing Machine Association blog.
The computer itself has quite a history. German civil engineer Konrad Zuse invented the Z4 under the Nazi regime and is probably the author of the manual, according to Bruderer. At one point, the Nazis wanted Zuse to transfer the computer to a concentration camp, where the regime used forced labor to build rockets and flying bombs. He refused and instead moved the Z4 to a barn in a remote city to await World War II.
Later, mathematician Eduard Štifel obtained a Z4 for the Institute for Applied Mathematics ETH Zurich. He spent several years at the French-German Research Institute in Saint-Louis before the Z4 was transferred to the Museum in 1960.
Kurir.rs/engadget
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