section
item
1961
Sperti mercury vapour arc discharge
sunlamp, model Sun Valley, type P109.
building
helivium.com
1960 - sun- and heatlamp
1960 - sun- and heatlamp
1960 - heatlamp (incandescent)
1961 - sunlamp (mercury)
1961 - sunlamp (mercury)
1961 - heatlamp (incandescent)
1962 - sun- and heatlamp
1963 - sunlamp (mercury)
1965 - sun- and heatlamp
1967 - sun- and heatlamp
1969 - sunlamp (blended)
building 3 (time line),
section 7 (1960-1969)
