<< In the 1970s I noticed that I got my orders from UO (in Georgia) in about 8 days >>
Typically received my orders in 1 day ! Columbus, Ohio not far from Ann Arbor, but still.....AMAZING service .
Yep--ordered an 11 x 80 RACI finder from them one day and it showed up on my porch in Cincinnati the next. Amazing! (Then again, I'm a caveman, so delivery is often amazing to me.)
Their ads were also a part of the "classic" S&T and Astronomy magazines, along with Tuthill, MicroSky, Coulter, Parks, and those Celestron ads that tried to sell scopes by having pretty women and Leonard Nimoy pose with orange-tube SCTs. End of more than one aspect of the era.