Bohn Contex 10 Mechanical Calculator In Depth Look
Added 2019-05-23 16:13:29 +0000 UTCMore video!
I'm going to be away from my computer for most of the day and I just started the upload as I write this. So you'll want to give a it a few hours before trying to watching it.
This is the last of this video rush I've been on. There may be another one in the next few weeks. I'm trying to get really far ahead to give myself all the free time I need to prepare for LTX now as it gets closer.
