can you name this tool?

we have many spots where we find our treasures but one of our favorites is old farm houses and barns. some of the most interesting and unique items can be found, many of which we have to ask... what it this for? so we'll show you the picture first and you can guess...

it's an antique metal blow torch. it measures 10" high and 5" in diameter and has a wooden handle. the piece used to pump is still wet from oil and all other parts seem to be in working condition, we're almost tempted to see if it still works!                          

~r&m