Dan, I just pulled the Nervar BB out of my 1976 Raleigh Super Course MKII. It's a 115mm ISO taper. I'd been running a 3 pin steel Camy crank on it.
Interestingly I have another, cheaper looking, Nervar spindle that is JIS taper.
Mark Stonich;
BikeSmith Design & Fabrication
5349 Elliot Ave S. - Minneapolis. MN 55417
Ph. (612) 824-2372 http://bikesmithdesign.com
http://mnhpva.org