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[Photograph of Edison Machine Works building]

Signed by principal lighting engineer, Charles L. Clarke. Ink inscription on mount reads, "Edison Machine Works, Goerck St., New York City, Photo, 1881." Edison established his Machine Works factory in 1881 to produce dynamos and other electrical...

GLC07616.05

The Edison 150-light dynamo.

Signed by principal lighting engineer, Charles L. Clarke. Depicts generator body with four stacks. Printed text on mount identifies Edison Machine Works as the site of the dynamo's production. Pencil inscription below title reads, "1881." Image is...

GLC07616.06

The Edison 250-light dynamo.

Signed by principal lighting engineer, Charles L. Clarke. Depicts generator body with six stacks, larger than the 150-light dynamo. Printed text on mount identifies Edison Machine Works as the site of the dynamo's production. Pencil inscription...

GLC07616.07