Name/Title
c.1884 Edison Effect Lamp PrototypeDescription
One of the surviving examples of Edison's experimental "Edison Effect" lamps. This example was one of the lamps given to William Preece at the 1884 Philadelphia Electrical Expo. Preece shared these lamps with John A. Flemming, who went on to invent the vacuum tube.Made/Created
Manufacturer
Edison Lamp WorksDate made
circa 1884Time Period
19th Century