If anybody is interested in Systron-Donner Corporation, this booklet on “Block Programming For Physical Systems” was in a recent acquisition.
Available at: https://archive.org/details/bpfps Michael. -- *Blog: RetroRetrospective – Fun today with yesterday's gear…….. <http://www.jongleur.co.uk/blogs/>* *Podcast*: *Retro Computing Roundtable <http://rcrpodcast.com/>* (Co-Host)