Electrical Instrument Making for Amateurs - A Practical Handbook #247654

The amateur, especially if he be young, inexperienced and unblest with filthy lucre, must ever command our sympathy and respect. He, without any hope of reward, except that gratification which follows the acquirement of knowledge, works on, under the greatest difficulties, to the attainment of his end — an end which, in nine cases out of ten, tends directly to the benefit of his fellow-creatures.