Rob is an electrical experimenter whose father encourages him and sees that he "never lacked batteries, motors or supplies of any sort." A "net-work of wires soon ran throughout the house". He loses track of the elaborately interconnected wires, and trying to get a cardboard house to light up, he "experimented in a rather haphazard fashion, connecting this and that wire blindly and by guesswork, in the hope that he would strike the right combination." There is a bright flash, and ...
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Bahasa Inggris ● Format EPUB ● ISBN 9783958649668 ● Penerbit Otbebookpublishing ● Diterbitkan 2017 ● Diunduh 3 kali ● Mata uang EUR ● ID 5793764 ● Perlindungan salinan Adobe DRM
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