Best known for being one of the first to use electrical lights to film indoors and at night.

He decided to start his helicopter work by developing a source of electrical light for it.

In 1934 the kerosene-burning lamp was replaced by a 1000-watt electrical light.

The board said the worst problem was a total lack of electrical light in 265 cells.

The threat from electrical light in the later 1870s and 1880s drove this trend strongly.

There was a hospital just down the highway, and many of the houses had electrical lights.

The light itself is an electrical light since its first lighting.

My illusion worked in a blinding flash of electrical light.

They reached the top and stood in the pale, yellowish electrical light, looking down.

From 1913 the Eta could be delivered with electrical lights.