design-is-fine:Keys of a school project by Prof. Rudolf Hammel, 1892/1902. Fachschule Nixdorf, Czech

design-is-fine:Keys of a school project by Prof. Rudolf Hammel, 1892/1902. Fachschule Nixdorf, Czech
design-is-fine:Keys of a school project by Prof. Rudolf Hammel, 1892/1902. Fachschule Nixdorf, Czech
design-is-fine:Keys of a school project by Prof. Rudolf Hammel, 1892/1902. Fachschule Nixdorf, Czech
design-is-fine:Keys of a school project by Prof. Rudolf Hammel, 1892/1902. Fachschule Nixdorf, Czech
design-is-fine:Keys of a school project by Prof. Rudolf Hammel, 1892/1902. Fachschule Nixdorf, Czech

design-is-fine:Keys of a school project by Prof. Rudolf Hammel, 1892/1902. Fachschule Nixdorf, Czechia. MAK Wien, via europeana -- source link

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