2 \ 2
manufacturer: Osram GmbH Berlin/Munich, Berlin/Munich, Germany in 1906 the chemist Auer von Welsbach registered the name of "osram", here
manufacturer: Osram GmbH Berlin/Munich, Berlin/Munich, Germany
in 1906 the chemist Auer von Welsbach registered the name of "osram", here
Osram SL 1000
Osram SL G 1000