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FILE: NMAH2001-12345.jpg / NMAH Accession # 25096 / NMAH Catalog # 181015
TITLE: Insulator
DESCRIPTION: CD 1014 Glass Block Blue-aqua (Yandell's Patent, complete and one attached)
CREDITS: Electricity Collections - NIA Collaboration
COPYRIGHT: Smithsonian Institution - National Museum of American History
mug shot - not for professional use
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