Farms have reverted to vegetable patches, the electric bulb has given way to the oil lamp, and the wheel to the foot as the most common form of transport.

It's the sound of desperation rapping at the door, but as cascades of hoofers lood down an electric bulb staircase, it's also the thunder of elation.

He was also forced to live under the never-extinguished glare of an electric bulb.

The new electric bulb increased the light's visible range to 38 mi.

The gas blinker was replaced several weeks later with a 250-watt electric bulb, though the gas apparatus can still be seen at the top of the tower.