name that tool

[krv3000]

hi all this is not mine it belongs to a friend that has just been getting a drumond round bed i think its a spot drill but i have looked in all my books and not seen out like it its a No1 Morse taper with Watt looks like a spot drill with a groove ruining full length at the top of the taper their is a grub screw that fits in to the groove at the bottom of the taper their is a norther screw that adjust the length of the drill it was all ceased up as i was gowning to be do wing sum silver soldering i put it on the fire bricks to get hot not red hot just hot once hot it was put in a tin that has old engine oil in it once it had bin in their for sum time i got it out and it came to bits with out any problems i gave it a scrub up all it needs gnaw is a new grub screw and a new screw for the bottom right pics