{"product_id":"9781603861007","title":"Induction Coils - How to Make, Repair and Use Them","description":"An Unabridged Printing With Text And All Illustrations Digitally Enlarged - A Practical Book On The Construction And Use Of Induction Coils, Containing Full Illustrations For Making A Shocking Coil, A One Half Inch Spark Coil, A Four Inch Spark Coil, And Also Hints On Experiments With Induction Coils. Chapters include: the principles of electrical induction - practical hints on the construction of induction coils - how to make a shocking coil - how to increase the efficiency of sparking coils - particulars of coils for various lengths of spark (with tables) - experiments with the induction coil","brand":"Watchmaker Publishing","offers":[{"title":"Default Title","offer_id":47041424457968,"sku":"9781603861007","price":7.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781603861007_p0.jpg?v=1763830662","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781603861007","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}