A telescope whose line of vision is 180 degrees from the eye.
Classification: Military equipments not identified by kind
NSN 7035-01-392-5274
NSN 6620-01-598-2271
NSN 5910-00-021-9073
NSN 5895-01-603-9189
NSN 2925-00-233-5644
NSN 5855-01-475-4454
NSN 5855-01-655-4035
NSN 5960-01-585-6385
NSN 5990-01-443-2931
NSN 6110-00-921-8277
NSN 6150-01-524-9913
NSN 5965-01-471-3278