Bibframe Instance
TitleTransformer manufacture. These huge aluminum spheres are used to test each power transformer which is ready to be shipped from a large Eastern electrical plant. Since lightning is apt to destroy power units in the field, each transformer is given an "artificial lightning" test to determine its ability to resist the elements. These spheres are part of a setup that produces 2,500,000 volts for testing purposes. Westinghouse, Sharon, PennsylvaniaColor Contentblack and whiteCould not render: bf:code Notephysical details: safety Applies To: Applies To: all Actual size of negative is C (approximately 4 x 5 inches)Title and other information from caption cardMore information about the FSA/OWI Collection is available atCould not render: bf:electronicLocatorDimensions4 x 5 inches or smallerExtent1 negativeProvision ActivityPublication: Pennsylvania 1942 Publication: 1942 Feb CarriersheetCould not render: bf:code Acquisition SourceDLC Stock Number:LC-USE6-D-002899 (b&w film neg.) 