Electrical Instrument Making for Amateurs: a Practical Handbook
Electrical Instrument Making for Amateurs: a Practical Handbook
Selimo Romeo Bottone
The book Electrical Instrument Making for Amateurs: a Practical Handbook was written by author Selimo Romeo Bottone Here you can read free online of Electrical Instrument Making for Amateurs: a Practical Handbook book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Electrical Instrument Making for Amateurs: a Practical Handbook a good or bad book?
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THE INDUCTION COIL, s Fio. 33. FIG. 34. A \ \ flL FIG. 35. FIG. 36 88 ELECTRICAL INSTRUMENT MAKING FOR AMA TEURS. regulator is more and more inserted ; or may be even more delicately regulated by sliding the secondary coil itself more or less over the primary. The secondary coil, while $he primary is- being excited with a freshly made pint bichromate, will give a \ in. Spark, when the regulator is out, and the secondary coil right over the primary. This will pass easily through a dozen persons.... '56. THE INDUCTION COIL. If, in the construction of the coil described in the last eight sections, the following modifications be made, the result v/ill be a coil Capable of giving with 6 chromic acid, or Bunsen cells, a good inch spark. 'In the first place, a brown paper tube should be made, ins. Long, f in. In internal diameter, and about A in. Thick by rolling and gluing the brown paper as recom- mended at 50, round any cylindrical rod of the desired fliameter. R This tube should be treated with melted paraffin wax as described at 50, and then filled with straight iron wires, No.
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