http://community.vietfun.com/showthread.php?p=12222931
http://www.homedatingnetwork.com/forum/topic.php?topic_id=13043
https://www.igotbiz.com/forum/products-for-sale/899-all-parts-of-a-rigid-merry-go-round-or-turntable
http://www.shell-livewire.org/forums/showthread.php?p=439559
https://forum.us.kick9.com/viewtopic.php?f=67&t=13282
http://forums.ubi.com/showthread.php/1523799-Thus-all-parts-share-the-same-rate-of-rotation-Forums