Special Features
750 mm focal lgth; 1750a-1.5 (g) spectral range; f/7 aperture uv; model 1501 grating 102 x 102 mm, 5000a blaze, 130 x 102 mm max ruled grating; 0.1a resolution; 500a photographic coverage; 11a/mm dispersion; 14 cm h, 21.5 cm w, 25.4 cm d; 115 vac, 50/60 hz; add acc 1542-11 retransmitting potentiometer, two 1411s straight slits
