VOLKER STEGER / SIEMENS / SCIENCE PHOTO LIBRARY VOLKER STEGER / SIEMENS / SCIENCE PHOTO LIBRARY
Glass production. Researcher pouring molten glass from a crucible which has just been removed from a furnace. This lead-free glass is being developed for use in light bulbs. Glass can easily be shaped while it is molten. Photographed at Osram Sylvania, USA, part of Siemens.
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