Week 7 Vocabulary: flash lamp, arc lamp, Yablochov candle, triptych

flash lamp: a lamp used for producing a brief but intense flash of light by using an electric current to start burning flash powder

arc lamp: a lamp that produces light by an electric arc

Yablochov Candle: also known as the electric candle, the Yablochov candle is a type of electric carbon arc lamp (invented by Peter Yablochov)

triptych: a display of three pictures on three different panels hinged together side by side, and used as an alterpiece