A very cool product from Lenk, out of Boston, Massachusetts. I can't find anything remotely similar to it on the web. I'm not really sure how it works and, as a face-saving measure, I'm not inclined to try it without more information. For an earlier sample of their offerings, see Unusual Tools: Lenk Improved Automatic Torch.
Below, an ad for a very similar tool from the American Products Corporation:
|Popular Mechanics, February 1951|