for something purely American, and just as eduring there is https://www.edenkazoo.com/museum.php https://www.edenkazoo.com/museum.php not just a museum, also

for something purely American, and just as eduring there is https://www.edenkazoo.com/museum.php https://www.edenkazoo.com/museum.php not just a museum, also a working factory which by pure accident I encountered, while traveling to see the GD,