https://archive.org/details/tednelsonjunkmail?&sort=-downloads&page=16
This archive was pointed out to the members of a discussion group. Basically, is is a bunch of junk mail. But WHAT junkmail... a Pantone catalog, a flight control module from Macdonnel Aircraft (I think), computer catalogs, an electron beam recorder, assorted scientific data recorders... my brother like the Heathkit catalog.