Rod

Carbon arc lamp rods, see http://www.webexhibits.org/causesofcolor/3A.html for background, still in use

• Object number

  1

• Date made

  1877 - 2010

• Dimensions

  Weight 9.8 gr

  Length 3.5 inches

  Width 0.44 inches

• Color

  Black

• Category

  Electrical

• Class

  Stone

• Material

  Carbon