Can't even imagine that such a street-light existed. Looks like an OV-35 on the left of this peculiar standard.

http://www.ebay.com/itm/400619394527

Those look like GE. Some member here has pics of a catalog with GE fluoro street lites.

I can't believe some lighting company convinced Chicago officials to install these, ..in the windy city!

http://www.ebay.com/itm/291782959351

Postcard is dated 1965

I saw the single light version of these installed in battersea london in the mid seventies I'm not sure when they were installed but I remember them in the seventies

I'd give anything to see this scene at night...http://www.ebay.com/itm/201597264315

I'm old enough to remember what it looked like.

I bet the light they provided was pleasant, but did they survive into the 1970s? Or even the 1980s?