3 ms·
Dad and I made a jig to do this so the hole was always in the right place. I remember doing at least 40 disks in one go, and I think most of them worked fine.
by grecy 8y ago
Dad and I made a jig to do this so the hole was always in the right place. I remember doing at least 40 disks in one go, and I think most of them worked fine.