Many lug variations were available from Prugnat.   Scroll down to see all!

This illustration is from a 1970's Proteus brochure

Prugnat.jpg (52819 bytes)

 

Frame builder Brian Baylis' penciled drawing for potential future reworking can be seen on these lugs ...

wpeBD.jpg (47734 bytes)

 

wpeC0.jpg (13980 bytes)

 

wpeC0.jpg (17546 bytes)

 

wpeC0.jpg (42472 bytes)