Do Not Sell At Any Price: The Wild, Obsessive Hunt for the World's Rarest 78rpm Records is a 2014 book by American music journalist Amanda Petrusich.
A phonograph record or a vinyl record is a disc-shaped analog sound storage medium with an inscribed, modulated spiral groove. The groove usually starts near the outside edge and ends near the center
Three vinyl records of different formats, from left to right: a 12-inch LP, a 10-inch LP, a 7-inch single
Conductor and cast members of the D'Oyly Carte Opera Company with acoustic recording horn at His Master's Voice, c. 1924
Technicians recording aviator Amy Johnson, Sydney, 1930
Emile Berliner with disc record gramophone