Nederlands: Gebouw ontworpen door P.J. Hamer en zijn zoon W. Hamer in 1876, in opdracht van de Vereeniging ten behoeve der Arbeidersklasse te Amsterdam: Eerste Jacob van Campenstraat 1-21, op de foto hoek Ruysdaelkade/ Eerste Jacob van Campenstraat Amsterdam. Op deze hoek is tegenwoordig de Tiller Galerie Amsterdam gevestigd
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