Raak Catalogue 11, 1978 – page 41 Raak Recessed Ceiling Lamps Raak Recessed Ceiling Lamps – Het zwarte licht – The black light R-84.64, R-84.44 Raak Recessed Luminaires Gouden licht – Golden light R-84.64, R-84.45 Raak Recessed Luminaires Hilton hotel, Schiphol, The Netherlands [the_ad id=”21516″] Raak Recessed Ceiling Lamps Zonne-schijven – Solar disks R-64.00, R-34.00 Raak Recessed Luminaires P-1271.00, P-1272.00, F-3171.000, F-3172.900 Raak Recessed Luminaire Alliance R-172.14, R-172.23 Raak Recessed Luminaire Alliance R-172.14, R-172.23 Raak Catalogue 11 – page 40 Raak Catalogue 11 – page 42