Cut the hole for the steam dome, and let him braze it on at the same time.
The heat in the tongs will melt the silver and braze the two parts.
"And in the army—our poor little army," added General Braze.
To braze the seams of a model boiler would require a forge fire, or a very powerful gas blast—too expensive for the amateur.
Now bring the flame to bear on the joint you ...