by Selimo Romeo Bottone
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Galvanic batteries, their theory, constr...
Electrical instrument making for amateur...
Magnetos for automobilists, how made and...
Electric bells and all about them
The dynamo: how made and how used
Wireless telegraphy and Hertzian waves
The Hound of the Baskervilles
The Adventures of Sherlock Holmes [12 st...
The Master Key
The Complete Sherlock Holmes [4 novels, ...
Financial audit
Telecommunications