{"product_id":"tests-upon-a-variable-reluctance-motor-classic-reprint","title":"Tests Upon a Variable Reluctance Motor (Classic Reprint)","description":"\u003cp\u003eExcerpt From Tests Upon A Variable Reluctance Motor I Make Use Of The Principle That The Power Of An ElectroMagnet Can Be Weakened By Diminishing The Mass Of The Yoke Connecting The Cores, And That Such Power Can Be Strengthened By Increasing The Mass Of Said Yoke Until Maximum Power Is Attained. In Applying This Prin Ciple, I Provide The Yoke Of The Field Of Force Magnet Of A Dynamo Or Magneto  Electric Machine With A Movable Portion, The Position Of Which Can He Varied So As To Affect The Mass And Conducting Power Cm Such Yoke, Said Movable Portion Acting As A Magnetic Circuit Regula Tor. About The Publisher Forgotten Books Publishes Hundreds Of Thousands Of Rare And Classic Books. Find More At Www.Forgottenbooks.Com This Book Is A Reproduction Of An Important Historical Work. Forgotten Books Uses StateOfTheArt Technology To Digitally Reconstruct The Work, Preserving The Original Format Whilst Repairing Imperfections Present In The Aged Copy. In Rare Cases, An Imperfection In The Original, Such As A Blemish Or Missing Page, May Be Replicated In Our Edition. We Do, However, Repair The Vast Majority Of Imperfections Successfully; Any Imperfections That Remain Are Intentionally Left To Preserve The State Of Such Historical Works.\u003c\/p\u003e","brand":"Forgotten Books","offers":[{"title":"Default Title","offer_id":45903847981254,"sku":"DADAX1528201213","price":15.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/9389\/1014\/files\/71N0_FzdkjL.jpg?v=1780377850","url":"https:\/\/ergodemedia.com\/products\/tests-upon-a-variable-reluctance-motor-classic-reprint","provider":"Ergodemedia","version":"1.0","type":"link"}