Staite's patent electric light apparatus

Edward Staite's patent electric light apparatus, exhibited at the Hanover Square Rooms, London. The light used a weight-driven mechanism, controlled by the heat of the arc of electricity expanding and contracting a copper strip. Although not a commercial success to begin with, W. Petrie's improvements to the original design led to Edison and Swan adopting the light in the 1870's

Adopting Begin Contracting Controlled Driven Edison Exhibited Expanding Hanover Improvements Mechanism Patent Petrie Staite Strip

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