Concrete (made of) poem of crossed lines and dots
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Pictures from:
Repartition des carreaux en fonction des installations sanitaires, Karl Bösch ing.SIA, L’installateur sanitaire, Aarau 1968
Pictures from:
Repartition des carreaux en fonction des installations sanitaires, Karl Bösch ing.SIA, L’installateur sanitaire, Aarau 1968