Laser Tools Co model L56 Concentric Alignment Laser with CL1000 Line Generator slide rule As described in Disston's 1918

As described in Disston's 1918 catalog:This is the original Skewback Saw

the typewriter is pristine

This vintage photography catalog from Burke & James

BUNN is not affiliated with Keurig

DuBridge The 200-Inch Mirror Shops at Caltech Engineering Aspects of the 200-Inch Telescope By Bruce Rule The Palomar Story Schmidt Cameras-Blazing the Trail The Men at the Telescope Photographing the Stars Mount Wilson Administering Two Observatories Graduate Work in Astrophysics at Caltech

Laser Tools Co model L56 Concentric Alignment Laser with CL1000 Line Generator slide rule As described in Disston's 1918Laser 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