I am a middle aged newbie as I purchased my first road bike a month ago, but when i mentioned my new love to a neighbour he produced this barn find and gave it to me. I would love to get it on the road again, but can't help wonder what it is. Any advice on options to upgrade to index shifting?

frame: Bianchi?
headset: Campagonolo
seat: Selle Italia
front derailleur: Shimano Dura ace
rear derailleur: Magic 851?
brakes: Modolo Professional
levers: Modolo Intern
wheels: Montreal Durex tubular
hubs:Campagnolo