Museum of Obsolete Media on Nostr: A 10-inch shellac Harmony Disc Record from c.1907-12. Nothing unusual at first ...

A 10-inch shellac Harmony Disc Record from c.1907-12. Nothing unusual at first glance, but look at that centre hole - ¾-inch diameter.

The Harmony Talking Machine phonograph had a matching larger spindle so that only Harmony Disc Records would fit.

Find out more at https://obsoletemedia.org/harmony-disc-record/