When was the first 12-inch 40 minute long playing record available? 'Also the famous Al Jolson film "The Jazz Singer" was released with its synchronised sound to picture in this time aswell.)
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Card 8
Front
Stereo discs were invented with a different channel of sound inscribed on either side of the V-shaped cut. When was this invented?
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Card 9
Front
In 1936 what was widespread around cafes and bars across the southern United States?
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Card 10
Front
In 1941 Large 16-inch records called V-Discs containing a mixture of songs were sent where?
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Card 11
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"In 1948 ...."
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Card 12
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Pre-recorded stereo tapes were available for use in the home in ...?
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Card 13
Front
When was the first Stereo Disc released?
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Card 14
Front
When were four-track tape cartridge (two separate stereo tracks) featuring a looping system available for cars?
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Card 15
Front
When were the first Compact Cassettes available, even though they were not popular until 5 years later?
