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logo in a three dimensional rendition. The logo is turned at an imaginary vertical axis (drawing Jürg Rota, Wädenswil)
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engraved mark constructe with legend on steelbase and signature of the metal worker
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template for the graving process. The original logo had to be simplified for the graving machinery
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graving machine KIRBA. The template for the graving process is behind the drilling machine.
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native picture of the design machine RWD SWISS EXACTA. It stud in the seventies in many architects office.
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the artist used the log also for education purpose