Edison Records

Are they made of plastic or wax?
When I was 9, my piano teacher had records that were made of wax. You couldn't store them above 75 degrees.
 
Neither. They were made up of a core of compressed wood flour (later China clay) with a layer of “Condensite” (a phenolic resin varnish) bonded to the surface on which the recording was engraved.
 

I don't know most of them because they've lost their labels. These are the ones that still had them:

"He's Living the Life of Riley"
"Susie"
"All the Time"
"Up in the Clouds"
"Hawaiian Nightingale"
 


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