Find a copy in the library
Finding libraries that hold this item...
|All Authors / Contributors:||
|Description:||24 p. ill., diagrs. 23 cm.|
|Contents:||On the transmission of musical tones telegraphically; experimental researches. (Read before the American Electrical Society, March 17, 1875)--A new and practical application of the telephone.|
|Responsibility:||By Elisha Gray.|