For the Record
Before vinyl records were invented, many prototypes were made with a “variety of methods and materials such as rubber, beeswax, glass, tin foil and brass, as the inventors tried to find a material that would hold sound.” The glass discs (pictured) are my favorites because, you can actually see the sound on the record.
Left: Male voice saying: “ba-ro-me-ter”; each syllable is distinct and the word is repeated
Right: Male voice saying names, recording date, “Mary had a little lamb” repeated twice
Images from the Smithsonian Institution