I bought it today. There's a picture on carsoup.com (see URL below). I paid a lot less than asking price due to starting problem, which I hope my 20 years electronics experience will have fixed by the weekend.
Yes, the ragtop covers the engine, so the side ducts are for cooling.
Steve
http://www.carsoup.com/used/detail.asp?usedVehicleID=1249812&minYear=1970&maxYear=1976&searchID=1&CDSID=&vehicleTypeID=1&dealerID=