4 ms·
Here's a video of one in operation: https://www.youtube.com/watch?v=Pla06PO6Odk https://www.youtube.com/watch?v=Pla06PO6Odk
by philjohn 6y ago
Here's a video of one in operation: https://www.youtube.com/watch?v=Pla06PO6Odk https://www.youtube.com/watch?v=Pla06PO6Odk