Veritas P 350 Dutch Army missing pre heater cup

I got a Veritas P 350 that's missing the pre heater cup which originally
was issued with the lamp. Though it's running on gas, I want the lamp
to have one again. OCP offers a coleman 237 pre heater cup which might
fit.
To know this I'd like to ask an owner of a Coleman 237 to measure the diameter
of either the generaror or/and the inner cup opening.
The P350 generator diameter is 9 mm.
Any help is appreciated.
Some pics are following.

Matthias

 

Matthias

The generator for the Coleman 237 is a shade under 3/8" in American or about 9.5mm. The bore of the spirit cup is, of course slightly wider.

Cheers

Tony

@LatMag49

 

As per Tony's answer, ~9.5mm

 

@Tony Press @Brenneman
Thanks a lot, that's good news. I'm going to order
a Coleman 237 cup to complete the lamp.

Matthias

 

A fine fettling project!

 

Very nice looking lantern!