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Edison makes improvements to his phonograph invention...



Item # 619805

June 12, 1880

SCIENTIFIC AMERICAN, New York, June 12, 1880 

* Thomas Alva Edison
* Phonograph invention


An inside page has a brief yet noteworthy report under: "Patent Office Items" reading: "Mr. Edison has just obtained a new patent for improvements on his original phonograph, by which the machine is made to speak to better advantage than ever before." (see)
The balance of the issue has a wealth of other articles with prints concerning the latest inventions & improvements of the day.
Sixteen pages, very nice, clean condition.

Category: Post-Civil War

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$41.00