Coleman produced two flavors of "boat stove" of which I am aware. The 345 and the 348. The 345's burned kero whilst the 348's burned spirits. The stoves sported two complete burners/stoves in an aluminum surround with sea rails (also known as fiddle rails). Check the 348 post in the Coleman section to see what this looked like. I have a complete 348 that needs tons of work yet as it's a complete mess. However, I was able to obtain a single stove/burner from a 345 last year and found a few moments to completely rebuild the unit which was non-functional when it arrived. I was quite surprised to find that there are actually two stoves in this unit. The main stove sits atop the tank. But, inside that unit and fed directly from the center of the tank is a preheater unit that Coleman refers to as it's "hot blast" pre-heating burner. These pictures show the unit, and then it's operation to preheat the kero generator with it's heat-gathering plate. The 345 stove is shown next to a Canadian Coleman 500 marked 4/55 in the final shot for size comparisons. The 345 is definitely a larger unit. Enjoy!