Interesting,
So the assembly manual has this drawing
gives some idea what the original nozzle looked like
this claims to be the original style
https://www.chevsofthe40s.com/detail...r_Nozzles.html
which is very similar to volvo p1800 except in Europe these are 'windscreen jets'
and repops sold for Minis in the UK
LUCAS part number WSB129 is a single jet version of above
another option for a small chrome dual squirt might be a mid 60s VW beetle.
now I just have to choose