Bausch & Lomb Diffraction Grating 270 g/mm Blaze 5°53′ Certified,Damaged Corners

Flow Through Monochromator Diffraction Grating - UV / Light source

B&L Large Reflective Diffraction Grating 5.5 x 6.33 in 400 lines/mm Blaze 9°44′

FOR PARTS BAUSCH LOMB OPTICAL GRATING MONOCHROMATOR OPTICS AS PICTURED F4-A-24

Bausch & Lomb 35-63-10-84 Certified Precision Grating

Bausch & Lomb Precision Grating 35-54-06-650 400 gr/mm 58mm Bell Labs

LARGE OPTICAL GRATING WITH MOUNT- INSTRUMENTS SA, Inc: 1200 g/mm, BLAZE 630 nm

Hewlett Packard G1800 GCD II Gas Chromatograph Electron Ionization Detector