section
item
1929
Kleinen 'Künstlichen Höhensonne', a
mercury vapour arc discharge sunlamp
from Quarzlampen GmbH, Hanau,
Germany.
building
helivium.com
1901 - Peter Cooper Hewitt
1904 - heatlamp (incandescent)
1905 - Hoskins and Marsh
1905 - heatlamp (incandescent)
1906 - Hanau
1908 - heatlamp (incandescent)
1911 - Georges Claude
1915 - sunlamp (mercury)
1918 - heatlamp (incandescent)
1919 - Kurt Huldschinsky
1923 - heatlamp (metal wire)
1925 - heatlamp (incandescent)
1928 - sunlamp (mercury)
1929 - sunlamp (mercury)
building 3 (time line),
section 3 (1900-1929)
