I actually researched this for a couple of week before joining the forum. This is obviously mass produced, by the k-3 stamped into the top ring and all three of the cast iron legs being different it is a head scratcher. I have even checked world war 1 and 2 camp stoves and nothing. I did order parts today and hope they fit. Weird setup but should be a good fish fryer at the least.
at last some information on what I thought to be a fish fryer. it was made around 1914 as a traveling salesman prototype. basically he carried it around to show how the kerogas system worked. it was never meant for public sale at all. that is why i could not find anything on it, it "never existed" I still think it was A.J. Lindemann and Hoverson however cant be 100% sure.
just found this page, as was looking up the kerogas stove, to see if there is any info, I think these types of stoves are very underrated, I have 2 of these, £10 each, great heat, last 6hrs, ish, runs on paraffin, jet fuel, and Diesel, going to modify one , so that the fuel tank is separate from burner, dur to thin tin, its get a bit hot,