section
item
1940
Philips Biosol mercury vapour arc
discharge sunlamp, type 11855.
building
helivium.com
1940 - sunlamp (mercury)
1944 - sunlamp (mercury)
1944 - sunlamp (mercury)
1946 - sun- and heatlamp
1946 - sun- and heatlamp
1947 - heatlamp (incandescent)
1948 - heatlamp (metal wire)
1948 - other (massage with heat)
building 3 (time line),
section 5 (1940-1949)