| GENERAL CHARACTERISTICS ITEM DESCRIPTION | C/O 0.25 M EBERT MONOCHROMATOR W/ TWO 150 U SLITS,TWO GRATINGS MTD ON INTERCHANGEABLE ROTATABLE HOLDER,MANUAL SINE DRIVE,TWO DIGITAL WAVELENGTH INDICATORS,INSTRUCTION MANUAL; 64 X 64 MM RULED AREA GRATINGS,LOW BLAZE 300 NM 2360 GROOVES/MM,HIGH BLAZE 600 NM 1180 GROOVES/MM; 0.3 NM RESOLUTION; 3.3 NM DISPERSION W/ 1180 GRATING,1.6NM W/ 2360 GRATING; F/3.5 APERTURE RATIO; 11.5 IN. L,7.25 IN. H,6.5 IN. W |