Thanks Bonnex,I knew it was some kind of firing device but I did not have a clue which one,I have seen similar items in pics so it was just a guess based on what I had seen in the pics,many thanks for the description and explanation,
I regret I am still unable to post pics,,,but I am working on it,so could someone take up the challenge so to speak and post a pic,
Many thanks,
Regards,
Don,