[D8845ADV], Letter from John Birkinbine to Thomas Alva Edison, September 29th, 1888


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[D8845ADV], Letter from John Birkinbine to Thomas Alva Edison, September 29th, 1888

Editor's Notes

"I called at the office of Messrs Witherbees Sherman & Co in New York yesterday, and there learned that Mr. F. S. Witherbee had been unexpectedly subpoanad to attend U.S. Court which I presume accounts for his failure to meet me at Orange. ### I have directed send to you a copy of the Journal of the United States Association of Charcoal Iron Workers in which you will find several articles which I think will be of interest to you. The one on Iron Ore Concentration pages 3 to 13 is the initial contribution which I propose making on this subject, with a view of drawing attention to the importance of concnetrantion, and shoing the methods pursued, and the expense connected with various plants. Whenever you think that it is wise to take up the Edison Separator I will describe and illustrate it. You will also find on page 36 a record of the results obtained at the ore separators at Iron Mountain where no crushign is done. On page 21 to 26 I have oepned a discussion upon the use of concentrated magnetites in the blast furnaces, and of the production of foundry iron from magnetites. I have also sent a copy of this Journal to Mr. Thomas that he may have the advantage of anything in it which may be of service to you. ### I hope to see Mr. Witherbee next week. ### IN reference to the compensation for my services to which you refer, I would say that in my letter of Jly 30th the payments were specified as being made monthly at your suggestion, but I have no objection if it is more convenient that they be made bi-monthly, or quarterly. I make this statement merely because of the inquiry you made on Thursday evening." Yours Truly, Jno Birkinbine [Marginlia: "check sent Oct 4/88"]






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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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