BarryBobPosthole
07-23-2014, 11:14 AM
The ads are hilarious, as are the letters to the editor.
BKB
http://books.google.com/books?id=qS0DAAAAMBAJ&printsec=frontcover&dq=popular+science+1968&hl=en&sa=X&ei=GNHPU9bpD4KoyAT79oLoCw&ved=0CCwQ6AEwBA#v=onepage&q&f=false
BKB
http://books.google.com/books?id=qS0DAAAAMBAJ&printsec=frontcover&dq=popular+science+1968&hl=en&sa=X&ei=GNHPU9bpD4KoyAT79oLoCw&ved=0CCwQ6AEwBA#v=onepage&q&f=false