Szőke Béla (szerk.): Műszaki nagyjaink 2. A bányászat, a kohászat, gépészet, az erősáramú elektrotechnika és villamos vontatás nagyjai sorából (Budapest, 1983)
Gohér Mihály: Zipernowsky-Déry-Bláthy, a transzformátorrendszer három magyar feltalálója
Sr C T Bluthy Ganz % Co, Ltd fct Electrical ttorks 12 11, Llvohaz-UtCa Z? Budapest Hungary Uy dear Dr Blatty: It was with pleasure that I received your latter end surmised that you are enjoying good health and hope the sane for your two other friends, Messrs Seri hnd Zipemowsky. Thank you for the information you sent me. However, I would still like to inquire *:ho held the United States patent on your invention - whether it was the Edison Company and then passed on to the General Electric. I am writing the second volume of my "Reminiscences" and am going to give you and the two friends full credit, which you deserve, for the invention of the transformer in a chapter on electrical distribution. You know well that I know its whole history because I was in Europe at that time and also spent many years ln Budapest. I remember when you gave the'exhíbitlon In TTenna in 1S"S? whore I had charge of the Edison exhibit. I recollect when you started your plaht that Deri had difficulty in getting the voltage at the other end of the lire and there was a great dissipation of tension in those armored underground cables which you used. In thoße days we knew nothing of such words as impedance, resonance, skin effect, Inductance, etc. Perhaps you know of the .very great museum we have here. Ur Ford has built and expended more than five million dollars on it, and we have in the electrical department a great number of all kinds of electrical machines and transformers. Tie have one of your .alterest lag current maters and also one of your transformers but we do not havs that first one - the mantle transformer - the first transformer that paved the way for the basis of modern alternating current transmission. I wonder if there is any possibility of procuring one of these transformers to head the line of all the other ones. Of course, we have none of your first electric machines and alternators, as they were called, but I don't suppose it will be possible to get one of them. I am sending you a copy of the first volume of ny "Renlnlecences" end, as you will see, it is what the name implies, recollections and not technical work, but it gives a good history of the introduction of electric lighting. Many thousands have already been soli here for we are selling them at cost price. In the second volume I want to do as I have told you - Justice to the Hungarians for their Invention. I want to thank you for the beautiful almanac as well as the copy of the "History of the Invention of the Transformer" by you and your frlende which, when I read it on Sunday, brought back to ms the days I sojourned in Europe. I know the history, and it is well written as you have put it. Again I send you my compliment» and greetings and the same to your frlende, hoping that they are still among the living. I remain, 19 10. ábra Fr. Jehl levele Bláthyhoz Magyar fordítását ld. = 309. oldalon. 291
