Reel dancing! Mercury “Living Presence” stereo tape, catalog number MDS5-4. Not an easy one to find; this one’s from my collection.

 

Variable-speed cutting: Marie Hippolyte Rose making a record in 1878. From Sound and Hearing, 1965.

 

In 1974, they knew how to build receivers!

Nearfield listening at its finest. Courtesy of Wikimedia Commons/Arthur T. Cahill.

 

We’re still trying to figure out how this thing works. From Audio, July 1977.

 

 

 

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