Tiny Halogen Light Bulbs for Snap On Alignment Rack Toe Gauges, The Size of a 194, but Not a 194

If you know what the lumen output is or can find out what it is, there is a chart that shows the different bases like you are looking for and the lumen output of a particular bulb. I'll see if I can find it on the 'net. I have a hard copy of the book but I don't know where it is currently.