Electric Arc Lamp 180 0 Download here USA003 - US335787 Print Rate this article: 3.0 No.USA3Patent335,787Year1886CountryUnited States of AmericaDate of ApplicationFebruary 9, 1886Patent TitleElectric Arc Lamp Documents to download USA003 - US335787 (.pdf, 246.02 KB) - 171 download(s)