细节
An Edison Concert phonograph
Type SM, Model A,No. 4174, with traversing mandrel mechanism, Diamond A reproducer, mahogany Music Master horn and mahogany case -- the horn 21in.(54cm.)diam. (horn and case restored)
Type SM, Model A,No. 4174, with traversing mandrel mechanism, Diamond A reproducer, mahogany Music Master horn and mahogany case -- the horn 21in.(54cm.)diam. (horn and case restored)
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See Back Cover Illustration