{ "item_title" : "Induction Coils - How To Make, Repair And Use Them", "item_author" : [" T. Edwin Lowell "], "item_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", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/60/386/100/1603861009_b.jpg", "price_data" : { "retail_price" : "9.97", "online_price" : "9.97", "our_price" : "9.97", "club_price" : "9.97", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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