Either from Better Homes & Gardens, House Beautiful, Popular Science, Family Handyman, or Popular Mechanics from 1977 through 1983 - forgot exactly which one but those are the magazines I looked through.
I know this is a bump the I might be getting three of the three light ornate blenders from an old hotel
Now why do I HIGHLY doubt this? Oh yeah, because you say you're going to get (insert fan here) or might get (insert fan here) and never do. If you really are getting three....congrats. I'd love to see them.