noun, hist., a gramophone record played at 78 rpm (COD)
“We’ve still got some of the old seventy-eights. Bye Bye Blackbird and stuff like that.”
“Did you have favourite records? Like seventy-eights?”
“I might be able to find out the names of some of those, ’cause I’ve got a stack of old- what are they? Seventy-eights?”
“So, you had records and what – old seventy-eights?”