Do you have any Phonograph records? 
are you talking about gramaphone record? I sure do!
How are they made? Are they still manufactured? 
i know at first the disks were made from shellac and starting 1950s polyvinul chloride became common
Are they still made with polyvinul chloride? 
yes, that's why they are called vinyl records or simply vynil
How many do you have? 
i would say around 15. my father gave them to me