3 ms·
in case others are interested, I was curious about the original and found a good description the mechanism of the original in the patent: https://patents.google
by rrss 5y ago
in case others are interested, I was curious about the original and found a good description the mechanism of the original in the patent: https://patents.google.com/patent/US3710668A/en https://patents.google.com/patent/US3710668A/en.