​​​Original vintage ad for EMPIRE SCIENTIFIC CORPORATION.  9000M Royal Grenadier, the world's most perfect speaker system.  The first loudspeaker ever designed and engineered for stereophonic reproduction.  Lets you sit anywhere, hear everything.
Main office was located in Garden City, NY.
This unique old two sided 1964 high fidelity stereo equipment component trade magazine advertisement would display beautifully matted and framed.  It would make a nice accompaniment to your vintage stereo.