Unusual Helmet Coil

[G.M.]

Originally Posted by Karl

Recently I obtained a NORS helmet coil for my 1934. It fits perfectly on my 3 hole distributor but it arrived minus a coil brush and spring. When I go to install the correct brush and spring I find that the hole for thisin the coil is way to small -Not only will the spring not fit in there but even the brush is to fat . Not sure what is going on I suspect I will need to drill out the hole so I can install the brush - Any ideas what I have -Karl

The brass tube the brush rides in is thin and also has a coil wire
soldered to it. Drilling runs the risk of going through the side walls
and disconnecting the coil wire. G.M.