Lightning: Edison’s Trial Light Bulbs (1893)

These light bulbs were official evidence in the historic Edison vs. Infringers trial held in Chicago. Before the trial, other companies frosted some of their bulbs to prevent the judge from seeing the inner filaments. Edison won the case.
Museum of Science and Industry Collection.
- Museum Hours
-
- Daily from 9:30 a.m. to 4 p.m.
- Open daily except Thanksgiving and Christmas
- Museum Location
- Getting Here