DescriptionThomas Edison Typed Letter Signed "Thos A Edison" with related documents. One page, 8.25" x 10.75", on "From the Laboratory of Thomas A. Edison" letterhead, Orange [New Jersey], February 14, 1916, to J. H. Troup Music House. Edison had been hard at work trying to improve upon his design which replaced the cylinders of his early phonograph. The letter reads, in full: "Gentlemen: I beg to acknowledge receipt of your favor of the 10th instant, enclosing a letter from Mr. Robert Tempest, to whom I have written a letter of acknowledgment and thanks. Please accept my expressions of appreciation to you for your kind congratulations." Folds with very light toning along the right margin.
Also, a letter from the Edison Laboratory, 8.25" x 10.75", also on "From the Laboratory of Thomas A. Edison" letterhead, Orange, March 17, 1916, to Robert Tempest regarding the receipt of his letter and records. "...we have been holding them for Mr. Edison's attention. He has been on one of his characteristic day and night campaigns covering a special investigation for the last five or six weeks, and, therefore, he has been able to consider only matters of the most urgent necessity." With original transmittal envelope. [and:] A typed report from the "Musical Phonograph Division" of Thomas A. Edison, Inc., May 22, 1916, concerns the production of disc records. In part: "Before Mr. Edison went to Florida...he spent several months in research work to refine his record manufacturing technique...to eliminate from all records the intermittent surface sounds...and...to prevent the checking or cracking of surfaces. The result of his research work was a new and improved manufacturing technique...Loyal Edison dealers can now throw up their hats and shout. I very great problem has been solved."
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