Europeans used treated cow horns as translucent material for windows. Japanese and Chinese use ox horns for the same purpose, as well as for shades of oil lamps.
RCA Victor introduced their
vinyl-based Victrolac compound for records. Vinyl records have twice the groove density of shellac records with good sound quality.
^H. von Pechmann (1898)
"Ueber Diazomethan und Nitrosoacylamine,"Berichte der Deutschen chemischen Gesellschaft zu Berlin, 31 : 2640–2646; see especially page 2643. From page 2643: "Erwähnt sei noch, dass aus einer ätherischen Diazomethanlösung sich beim Stehen manchmal minimale Quantitäten eines weissen, flockigen, aus Chloroform krystallisirenden Körpers abscheiden; … " (It should be mentioned that from an ether solution of diazomethane, upon standing, sometimes small quantities of a white, flakey substance, which can be crystallized from chloroform, precipitate; … )
^Carlisle, Rodney (2004). Scientific American Inventions and Discoveries, p.338. John Wiley & Sons, Inc., New Jersey.
ISBN0-471-24410-4.