I see. You don't have an electrolock so it's of no concern for your project. Yes, it would have originally had an electrolock but that appears to be long gone. The very early units did attach to he distributor I believe. I have no experience with the early units but, if my memory is serving me correctly, that was the case. By 1939 they went from the switch to the coil.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.