611 view of hall facade, 1972
612 ceiling in hall and toilet first floor Amsteldijk, 1972
613 Trompenburg hall ceiling, 1972
614 prefabricated sheet roof, 1972
619 first floor layout Amsteldijk office garden, 1972
620 first floor layout Amsteldijk office garden, 1972
621 partitioning 1st floor Amsteldijk office garden, 1972
622 partitioning 1st floor Amsteldijk single corridor system, 1972
623 layout 1st floor Amsteldijk double corridor system, 1972
624 layout 1st floor Amsteldijk basic plan, 1972
625 overview sheet steel window frames first floor and roof additions, 1972
626 details window frames, 1972
627 lifting hatches roof structure, 1972
628 hallway first floor Trompenburg, 1972
629 entresol Trompenburg panelling PTT rooms, 1972
630 hatches for window cleaner, 1972