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FILE: NMAH2001-12340.jpg / NMAH Accession #25096 / NMAH Catalog #181016.1
TITLE: Insulator
DESCRIPTION: U-978
Dimensions: H=3.5", Base=2 5/8", thread depth=2.75", TS=0.75" CREDITS: Electricity Collections - NIA Collaboration
COPYRIGHT: Smithsonian Institution - National Museum of American History
mug shot - not for professional use
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