English

The master key : an electrical fairy tale, founded upon the mysteries of electricity and the optimism of its devotees ...

Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb. · "It was written for boys, but others may read it." · LC copy imperfect: 4 leaves of plates wanting · LC copy has copyright entry stamp, copy B, Aug. 15, 1901

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