{"product_id":"induction-coils-how-to-make-repair-and-use-them-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\u003cbr\u003e","brand":"Merchant Books","offers":[{"title":"Default Title","offer_id":50359322018066,"sku":"9781603861007","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_ca973362-7cab-4f60-a4b0-086ff58af9da.jpg?v=1728353259","url":"https:\/\/surprise-castle.myshopify.com\/products\/induction-coils-how-to-make-repair-and-use-them-9781603861007","provider":"Surprise Castle","version":"1.0","type":"link"}