About electric light

Yablochkov, P.N.On electric lighting: public lecture by imp.Rus.tech.O-va: Readna April 4.1879 - St. Petersburg: Type.br.Panteleev, 1879. -25 p., 1 l.heck.: schemes .. -.1. The people (collection).Electronic copy source: PBPlace of storage of the original: the Central Museum of Communications named after A.S.Popova