Sloane, Thomas O'Conor. Electric toy making for amateurs : including batteries, magnets, motors, miscellaneous toys and dynamo construction / by T. O'Conor Sloane.

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Sloane, Thomas O'Conor.

Electric toy making for amateurs : including batteries, magnets, motors, miscellaneous toys and dynamo construction / by T. O'Conor Sloane.

Electric apparatus and appliances.

Electric toys.