What is it for?
I have a lot of old nixie tube drivers etc. 74141, K155ID1... some of them were from old devices. I think it's very handy device for this type of task!
7441, 7441A, 155ID1, DM54141, DM74141, DM74141N, DM8640N, KM155ID1, NTE74141, SN74141, SN74141J, SN74141N, FLL101, TL74141N, DM5441A, DM7441A, FJL101