4 ms·
This appears to be a descendant of Duff's device (https://en.wikipedia.org/wiki/Duff's_device https://en.wikipedia.org/wiki/Duff's_device)
by 2sk21 9y ago
This appears to be a descendant of Duff's device (https://en.wikipedia.org/wiki/Duff's_device https://en.wikipedia.org/wiki/Duff's_device)