section
item
1981
Philips Infraphil, type HP2030, an
incandescent heat lamp with Fresnel
lens.
building
helivium.com
1980 - sunlamp (tube light)
1980 - sun- and heatlamp
1980 - sun- and heatlamp
1981 - heatlamp (incandescent)
1984 - sunlamp (blended)
1985 - sunlamp (mercury)
1987 - sunlamp (tube light)
1987 - heatlamp (incandescent)
building 3 (time line),
section 9 (1980-1989)
