1959 – Machina Combinatrix – Kretz / Angyan / Zemanek (Austrian)
The above three images suggest there is a film clip out there somewhere. The Vienna Tortoises: Left: 1954 Eichler's Schildkröte; Centre: 1959 Kretz/Angyan/Zemanek Machina Combinatrix; Right: 1965 Bielowski Schildkröte HANS KRETZ: An Interview Conducted by David Morton, IEEE History Center, 25 July 1996 Interview #283 for the IEEE History Center, The Institute of Electrical and …
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