Laser Tools Co model L56 Concentric Alignment Laser with CL1000 Line Generator Mid Century They are good for those

They are good for those who have limited space

film is readily available

The focus and aperture were fixed

It is a pretty straightforward machine and runs like a champ at high speeds

The liker is a standard replaceble thermos bottle

Laser Tools Co model L56 Concentric Alignment Laser with CL1000 Line Generator Mid Century They are good for thoseLaser Tools Co model L56 Concentric Alignment Laser with CL1000 Line Generator and mounting fixture. Designed so that the beam is is on the centerline of the tube, the Model L56 alignment lasers are used for point to point alignment, precise layout and positioning, bar feeder alignment, pointing applications, site layouts and hazardous environments. Solid Brass Construction Won't rust or spark "O" Ring Seal Water and Oil Proof Concentric Beam Easy to