Originally Posted by
verktyg
The original brake blocks had rounded ends. Someone used standard Campy NR carriers and pads on this set.
My understanding is the 1st gen Monoplaners with the not quite so beefy arms came with square blocks which had a white (and black?) plastic wrapping on the wheel guides:
Where the ones in your pics came with rounded blocks which did away with the plastic wrap. However, I'm sure there were overlaps and leftovers and swaps and and and...
...great brakes though.